diff --git a/Win/Mineways.cpp b/Win/Mineways.cpp
index 1534641..151ea5b 100644
--- a/Win/Mineways.cpp
+++ b/Win/Mineways.cpp
@@ -3586,7 +3586,7 @@ static int loadWorld(HWND hWnd)
         // load test world
         MY_ASSERT(gWorldGuide.world[0] == 0);
         gSpawnX = gSpawnY = gSpawnZ = gPlayerX = gPlayerY = gPlayerZ = 0;
-        gVersionID = 3837;	// Change this to the current release number https://minecraft.wiki/w/Data_version
+        gVersionID = 3953;	// Change this to the current release number https://minecraft.wiki/w/Data_version
         gMinecraftVersion = DATA_VERSION_TO_RELEASE_NUMBER(gVersionID);
         setHeightsFromVersionID();
         break;
diff --git a/Win/ObjFileManip.cpp b/Win/ObjFileManip.cpp
index 8e019cb..328ffa3 100644
--- a/Win/ObjFileManip.cpp
+++ b/Win/ObjFileManip.cpp
@@ -6598,11 +6598,11 @@ static int saveBillboardOrGeometry(int boxIndex, int type)
                 minx = 6;
                 maxx = 10;
                 minz = 5;
-                maxz = 12;
+                maxz = 11;
             }
             else {
                 minx = 5;
-                maxx = 12;
+                maxx = 11;
                 minz = 6;
                 maxz = 10;
             }
@@ -6611,23 +6611,23 @@ static int saveBillboardOrGeometry(int boxIndex, int type)
             minx = 0;
             maxx = 2 - bitAdd;
             minz = 5;
-            maxz = 12;
+            maxz = 11;
             break;
         case 2: // west
             minx = 14 + bitAdd;
             maxx = 16;
             minz = 5;
-            maxz = 12;
+            maxz = 11;
             break;
         case 3: // south
             minx = 5;
-            maxx = 12;
+            maxx = 11;
             minz = 0;
             maxz = 2 - bitAdd;
             break;
         case 4: // north
             minx = 5;
-            maxx = 12;
+            maxx = 11;
             minz = 14 + bitAdd;
             maxz = 16;
             break;
@@ -6639,11 +6639,11 @@ static int saveBillboardOrGeometry(int boxIndex, int type)
                 minx = 6;
                 maxx = 10;
                 minz = 5;
-                maxz = 12;
+                maxz = 11;
             }
             else {
                 minx = 5;
-                maxx = 12;
+                maxx = 11;
                 minz = 6;
                 maxz = 10;
             }
@@ -20756,10 +20756,11 @@ static int getSwatch(int type, int dataVal, int faceDirection, int backgroundInd
         case BLOCK_BOOKSHELF:						// getSwatch
             if (dataVal & BIT_16)
             {
+                // chiseled bookshelf, that has a direction and whether face is full or empty of books (no in between - texture limitation)
                 // sides and top/bottom
                 SWATCH_SWITCH_SIDE_VERTICAL(faceDirection, 8, 61, 7, 61);
-                // now, for one of the side faces, put occupied or not
-                frontLoc = SWATCH_INDEX(9 + ((dataVal & 0x8) ? 1:0), 61);
+                // now, for one of the side faces, put occupied or not; 0x8 is occupied, grabs occupied tile
+                frontLoc = (dataVal & 0x8) ? SWATCH_INDEX(14, 66) : SWATCH_INDEX(9, 61);
                 // Look at direction, change that face. A bit inefficient.
                 switch (dataVal & 0x7)
                 {
@@ -26450,13 +26451,7 @@ static int createBaseMaterialTexture()
         for (i = 0; i < TOTAL_TILES; i++)
         {
             // check that I didn't forget to give each a material type it's associated with - if hit, go to tiles.h and add an entry
-            assert(true 
-                
-                
-                
-                
-                
-                || gTilesTable[i].typeForMtl || wcslen(gTilesTable[i].filename) == 0);
+            assert(gTilesTable[i].typeForMtl || wcslen(gTilesTable[i].filename) == 0);
 
             // If leaves are to be made solid and so should have alphas all equal to 1.0.
             if (gModel.options->pEFD->chkLeavesSolid && (gTilesTable[i].flags & SBIT_LEAVES))
diff --git a/Win/ObjFileManip.h b/Win/ObjFileManip.h
index 1741158..f54b788 100644
--- a/Win/ObjFileManip.h
+++ b/Win/ObjFileManip.h
@@ -336,7 +336,7 @@ extern Model gModel;
                                                      ((worldVersion) <= 2730) ? 17 : \
                                                      ((worldVersion) <= 2975) ? 18 : \
                                                      ((worldVersion) <= 3442) ? 19 : \
-                                                     ((worldVersion) <= 3837) ? 20 : \
+                                                     ((worldVersion) <= 3839) ? 20 : \
                                                      21)
 
 
diff --git a/Win/nbt.cpp b/Win/nbt.cpp
index 841d5b0..46b11ea 100644
--- a/Win/nbt.cpp
+++ b/Win/nbt.cpp
@@ -4035,8 +4035,9 @@ static int readPalette(int& returnCode, bfFile* pbf, int mcVersion, unsigned cha
                             dataVal |= atoi(value);
                         }
 
-                        // for the chiseled bookshelf, just mark the low bit with a 1 if there is any occupied book slot.
-                        // direction is in 0x7 field
+                        // for the chiseled bookshelf, just mark the 0x8 bit with a 1 if there is any occupied book slot.
+                        // We do not differentiate how many books.
+                        // Direction is in 0x7 field
                         else if (strcmp(token, "slot_0_occupied") == 0 ||
                             strcmp(token, "slot_1_occupied") == 0 ||
                             strcmp(token, "slot_2_occupied") == 0 ||
diff --git a/Win/terrainExtData.cpp b/Win/terrainExtData.cpp
index 38ae434..688510c 100644
--- a/Win/terrainExtData.cpp
+++ b/Win/terrainExtData.cpp
@@ -67644,10 +67644,10 @@ unsigned char gTerrainExt[] = {
 118,119,111,255, 118,119,111,255, 133,131,122,255, 133,131,122,255,
 133,131,122,255, 118,119,111,255, 118,119,111,255, 118,119,111,255,
 133,131,122,255, 133,131,122,255, 133,131,122,255, 118,119,111,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+204,166,108,255, 204,166,108,255, 204,166,108,255, 179,140,81,255,
+179,140,81,255, 204,166,108,255, 204,166,108,255, 204,166,108,255,
+204,166,108,255, 204,166,108,255, 159,132,77,255, 159,132,77,255,
+159,132,77,255, 179,140,81,255, 179,140,81,255, 159,132,77,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -67708,10 +67708,10 @@ unsigned char gTerrainExt[] = {
 91,98,94,255, 91,98,94,255, 91,98,94,255, 91,98,94,255,
 91,98,94,255, 91,98,94,255, 91,98,94,255, 91,98,94,255,
 91,98,94,255, 99,108,109,255, 118,119,111,255, 118,119,111,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+159,132,77,255, 25,19,10,255, 25,19,10,255, 25,19,10,255,
+25,19,10,255, 25,19,10,255, 64,97,31,255, 64,97,31,255,
+50,79,23,255, 50,79,23,255, 25,19,10,255, 75,31,103,255,
+75,31,103,255, 53,28,70,255, 53,28,70,255, 124,98,62,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -67772,10 +67772,10 @@ unsigned char gTerrainExt[] = {
 75,81,69,255, 75,81,69,255, 75,81,69,255, 75,81,69,255,
 75,81,69,255, 82,90,81,255, 75,81,69,255, 82,90,81,255,
 82,90,81,255, 108,113,107,255, 108,113,107,255, 133,131,122,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+188,152,98,255, 15,82,82,255, 22,133,133,255, 16,97,97,255,
+15,82,82,255, 25,19,10,255, 64,97,31,255, 87,133,42,255,
+64,97,31,255, 50,79,23,255, 25,19,10,255, 142,59,194,255,
+167,67,229,255, 103,43,142,255, 73,38,95,255, 124,98,62,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -67836,10 +67836,10 @@ unsigned char gTerrainExt[] = {
 75,81,69,255, 75,81,69,255, 75,81,69,255, 75,81,69,255,
 75,81,69,255, 75,81,69,255, 82,90,81,255, 82,90,81,255,
 118,119,111,255, 133,131,122,255, 99,108,109,255, 118,119,111,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+179,140,81,255, 16,97,97,255, 34,148,148,255, 16,97,97,255,
+15,82,82,255, 78,58,30,255, 87,133,42,255, 107,158,58,255,
+64,97,31,255, 50,79,23,255, 78,58,30,255, 103,43,142,255,
+122,49,167,255, 75,31,103,255, 53,28,70,255, 155,119,66,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -67900,10 +67900,10 @@ unsigned char gTerrainExt[] = {
 133,131,122,255, 133,131,122,255, 118,119,111,255, 108,113,107,255,
 118,119,111,255, 118,119,111,255, 108,113,107,255, 108,113,107,255,
 133,131,122,255, 133,131,122,255, 99,108,109,255, 133,131,122,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+179,140,81,255, 145,51,20,255, 242,201,88,255, 195,143,0,255,
+106,37,15,255, 78,58,30,255, 195,143,0,255, 242,201,88,255,
+195,143,0,255, 133,98,0,255, 78,58,30,255, 103,43,142,255,
+122,49,167,255, 75,31,103,255, 53,28,70,255, 155,119,66,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -67964,10 +67964,10 @@ unsigned char gTerrainExt[] = {
 108,113,107,255, 99,108,109,255, 108,113,107,255, 118,119,111,255,
 118,119,111,255, 118,119,111,255, 108,113,107,255, 108,113,107,255,
 145,142,128,255, 133,131,122,255, 99,108,109,255, 133,131,122,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+179,140,81,255, 106,37,15,255, 195,143,0,255, 133,98,0,255,
+106,37,15,255, 25,19,10,255, 87,133,42,255, 107,158,58,255,
+64,97,31,255, 50,79,23,255, 25,19,10,255, 142,59,194,255,
+167,67,229,255, 103,43,142,255, 73,38,95,255, 155,119,66,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -68028,10 +68028,10 @@ unsigned char gTerrainExt[] = {
 99,108,109,255, 108,113,107,255, 118,119,111,255, 118,119,111,255,
 118,119,111,255, 108,113,107,255, 108,113,107,255, 108,113,107,255,
 145,142,128,255, 133,131,122,255, 99,108,109,255, 133,131,122,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+124,98,62,255, 16,97,97,255, 22,133,133,255, 16,97,97,255,
+15,82,82,255, 25,19,10,255, 64,97,31,255, 87,133,42,255,
+64,97,31,255, 50,79,23,255, 25,19,10,255, 103,43,142,255,
+122,49,167,255, 75,31,103,255, 53,28,70,255, 124,98,62,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -68092,10 +68092,10 @@ unsigned char gTerrainExt[] = {
 108,113,107,255, 118,119,111,255, 118,119,111,255, 118,119,111,255,
 108,113,107,255, 108,113,107,255, 108,113,107,255, 99,108,109,255,
 145,142,128,255, 145,142,128,255, 99,108,109,255, 118,119,111,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+188,152,98,255, 179,140,81,255, 179,140,81,255, 188,152,98,255,
+188,152,98,255, 204,166,108,255, 204,166,108,255, 204,166,108,255,
+188,152,98,255, 188,152,98,255, 188,152,98,255, 179,140,81,255,
+179,140,81,255, 159,132,77,255, 159,132,77,255, 159,132,77,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -68156,10 +68156,10 @@ unsigned char gTerrainExt[] = {
 118,119,111,255, 118,119,111,255, 118,119,111,255, 108,113,107,255,
 108,113,107,255, 108,113,107,255, 99,108,109,255, 99,108,109,255,
 145,142,128,255, 145,142,128,255, 99,108,109,255, 133,131,122,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+179,140,81,255, 179,140,81,255, 155,119,66,255, 155,119,66,255,
+159,132,77,255, 159,132,77,255, 159,132,77,255, 179,140,81,255,
+179,140,81,255, 159,132,77,255, 159,132,77,255, 159,132,77,255,
+155,119,66,255, 155,119,66,255, 155,119,66,255, 155,119,66,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -68220,10 +68220,10 @@ unsigned char gTerrainExt[] = {
 118,119,111,255, 118,119,111,255, 108,113,107,255, 108,113,107,255,
 108,113,107,255, 99,108,109,255, 99,108,109,255, 108,113,107,255,
 145,142,128,255, 145,142,128,255, 99,108,109,255, 133,131,122,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+155,119,66,255, 128,42,65,255, 145,47,73,255, 128,42,65,255,
+128,42,65,255, 25,19,10,255, 25,19,10,255, 25,19,10,255,
+25,19,10,255, 25,19,10,255, 25,19,10,255, 23,57,106,255,
+23,57,106,255, 15,46,93,255, 15,46,93,255, 124,98,62,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -68284,10 +68284,10 @@ unsigned char gTerrainExt[] = {
 118,119,111,255, 108,113,107,255, 108,113,107,255, 108,113,107,255,
 99,108,109,255, 99,108,109,255, 108,113,107,255, 118,119,111,255,
 145,142,128,255, 145,142,128,255, 108,113,107,255, 133,131,122,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+204,166,108,255, 128,42,65,255, 182,60,92,255, 145,47,73,255,
+128,42,65,255, 25,19,10,255, 173,97,70,255, 187,111,84,255,
+126,70,51,255, 107,60,43,255, 25,19,10,255, 32,77,145,255,
+39,89,165,255, 23,57,106,255, 15,46,93,255, 155,119,66,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -68348,10 +68348,10 @@ unsigned char gTerrainExt[] = {
 108,113,107,255, 108,113,107,255, 108,113,107,255, 99,108,109,255,
 99,108,109,255, 108,113,107,255, 118,119,111,255, 118,119,111,255,
 145,142,128,255, 145,142,128,255, 108,113,107,255, 133,131,122,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+204,166,108,255, 195,143,0,255, 242,201,88,255, 195,143,0,255,
+133,98,0,255, 78,58,30,255, 173,97,70,255, 187,111,84,255,
+126,70,51,255, 107,60,43,255, 78,58,30,255, 145,51,20,255,
+242,201,88,255, 195,143,0,255, 106,37,15,255, 179,140,81,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -68412,10 +68412,10 @@ unsigned char gTerrainExt[] = {
 118,119,111,255, 118,119,111,255, 133,131,122,255, 133,131,122,255,
 133,131,122,255, 133,131,122,255, 133,131,122,255, 133,131,122,255,
 145,142,128,255, 145,142,128,255, 108,113,107,255, 118,119,111,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+179,140,81,255, 182,60,92,255, 212,74,110,255, 182,60,92,255,
+128,42,65,255, 78,58,30,255, 195,143,0,255, 242,201,88,255,
+195,143,0,255, 133,98,0,255, 78,58,30,255, 106,37,15,255,
+195,143,0,255, 133,98,0,255, 106,37,15,255, 179,140,81,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -68476,10 +68476,10 @@ unsigned char gTerrainExt[] = {
 118,119,111,255, 133,131,122,255, 118,119,111,255, 133,131,122,255,
 133,131,122,255, 133,131,122,255, 133,131,122,255, 133,131,122,255,
 133,131,122,255, 145,142,128,255, 108,113,107,255, 118,119,111,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+179,140,81,255, 182,60,92,255, 212,74,110,255, 182,60,92,255,
+128,42,65,255, 25,19,10,255, 173,97,70,255, 187,111,84,255,
+126,70,51,255, 107,60,43,255, 25,19,10,255, 32,77,145,255,
+39,89,165,255, 23,57,106,255, 15,46,93,255, 179,140,81,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -68540,10 +68540,10 @@ unsigned char gTerrainExt[] = {
 99,108,109,255, 99,108,109,255, 99,108,109,255, 99,108,109,255,
 108,113,107,255, 99,108,109,255, 108,113,107,255, 108,113,107,255,
 108,113,107,255, 108,113,107,255, 118,119,111,255, 118,119,111,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+159,132,77,255, 145,47,73,255, 182,60,92,255, 145,47,73,255,
+128,42,65,255, 25,19,10,255, 126,70,51,255, 173,97,70,255,
+126,70,51,255, 107,60,43,255, 25,19,10,255, 23,57,106,255,
+32,77,145,255, 23,57,106,255, 15,46,93,255, 155,119,66,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
@@ -68604,10 +68604,10 @@ unsigned char gTerrainExt[] = {
 133,131,122,255, 118,119,111,255, 118,119,111,255, 118,119,111,255,
 133,131,122,255, 133,131,122,255, 118,119,111,255, 118,119,111,255,
 133,131,122,255, 133,131,122,255, 118,119,111,255, 133,131,122,255,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
-0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
+179,140,81,255, 188,152,98,255, 188,152,98,255, 204,166,108,255,
+204,166,108,255, 204,166,108,255, 188,152,98,255, 179,140,81,255,
+179,140,81,255, 188,152,98,255, 188,152,98,255, 188,152,98,255,
+188,152,98,255, 155,119,66,255, 179,140,81,255, 179,140,81,255,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
diff --git a/Win/tiles.h b/Win/tiles.h
index 55d7e9b..4c5bc20 100644
--- a/Win/tiles.h
+++ b/Win/tiles.h
@@ -1154,7 +1154,7 @@ static struct {
     { 11, 66, 388, 0, L"chiseled_tuff_top", L"", SWATCH_REPEAT_ALL },
     { 12, 66, 388, 0, L"chiseled_tuff_bricks", L"", SWATCH_REPEAT_ALL },
     { 13, 66, 388, 0, L"chiseled_tuff_bricks_top", L"", SWATCH_REPEAT_ALL },
-    { 14, 66,   0, 0, L"", L"", SWATCH_REPEAT_ALL },
+    { 14, 66,  47, 0, L"chiseled_bookshelf_occupied", L"", SWATCH_REPEAT_ALL }, // d'oh, accidentally deleted this one when adding 1.21
     { 15, 66,   0, 0, L"", L"", SWATCH_REPEAT_ALL },
     /* Template for future additions - copy and paste in Notepad++ to avoid it getting rejiggered, and keep inside comment marks to
      * avoid rejiggering (spaces getting removed) by keeping it inside the comment marks when pasting back here:
diff --git a/docs/index.html b/docs/index.html
index 2ca3dae..6bda370 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -72,7 +72,7 @@
 	</div>
 	
     <div id="content" class="clearfix">
-		<p><b><a href="https://erich.realtimerendering.com/minecraft/public/mineways/mineways.zip">Download Mineways 12.00 for Windows</a></b>. The full download includes eight converted resource packs (211 Mb), or <b><a href="https://erich.realtimerendering.com/minecraft/public/mineways/mineways_min.zip">download the Mineways minimal version</a></b>, which consists of just the program without any documentation, resource textures, scripting, etc. (3 Mb) - it may be all you need. Also available: <a href="MinewaysV1002_zh-cn.exe">Mineways 10.02 localized to Chinese</a> by Catmelon; <a href="https://github.com/Creeper553/Mineways_CNTrans">code repo here</a> Problems? <a href="downloads.html#windows">Get help here</a>.
+		<p><b><a href="https://erich.realtimerendering.com/minecraft/public/mineways/mineways.zip">Download Mineways 12.01 for Windows</a></b>. The full download includes four converted resource packs (245 Mb), or <b><a href="https://erich.realtimerendering.com/minecraft/public/mineways/mineways_min.zip">download the Mineways minimal version</a></b>, which consists of just the program without any documentation, resource textures, scripting, etc. (3 Mb) - it may be all you need. Also available: <a href="MinewaysV1002_zh-cn.exe">Mineways 10.02 localized to Chinese</a> by Catmelon; <a href="https://github.com/Creeper553/Mineways_CNTrans">code repo here</a> Problems? <a href="downloads.html#windows">Get help here</a>.
 
 		<p>Mineways lets you export your creations from <a href="https://minecraft.wiki/w/Java_Edition">Minecraft: Java Edition</a>, versions 1.20 and earlier, into 3D files you can use for making images, movies, or 3D prints. Are you using a <a href="https://minecraft.wiki/w/Bedrock_Edition">Bedrock Edition</a> of Minecraft? You can <b><a href="mineways.html#mcpe">convert your world</a></b> so that Mineways can read it. 
 				
@@ -171,7 +171,7 @@
 	<div id="footer">
 		<hr>
 		<p>Webmaster: <a href="mailto:erich@acm.org">Eric Haines</a>, erich@acm.org - visit the <a href="contact.html">support page</a>
-		<br id="lastUpdate">Last updated 6/21/2024</p>
+		<br id="lastUpdate">Last updated 7/17/2024</p>
 	</div>
 </div>
 
diff --git a/docs/mineways.html b/docs/mineways.html
index 001233e..5940b71 100644
--- a/docs/mineways.html
+++ b/docs/mineways.html
@@ -2882,6 +2882,14 @@ <h2 id="versions">Version History</h2>
 From newest to oldest. The very newest is sometimes unreleased work in progress, with "*" meaning "to do" and "**" meaning "stretch goal."
 
 <UL>
+<LI>Version 12.01, 7/17/2024 - <a href="https://erich.realtimerendering.com/minecraft/public/mineways/minewaysV1201.zip">exe</a>, <a href="https://github.com/erich666/Mineways/tags">source</a>.
+  <BR>
+    <UL>
+	<LI>Bug fix: I accidently removed the tile "chiseled_bookshelf_occupied" when updating to 12.00. Fixed, so chiseled bookshelves with books now properly show that again. TileMaker updated to 3.24 and ChannelMixer to 1.17. <I>(thanks to Boranium for the bug report)</I>
+	<LI>Bug fix: buttons reduced to be 6 pixels wide instead of 7. <I>(thanks to Boranium for the bug report)</I>
+	<LI><a href="https://minecraft.wiki/w/Data_version">Data version numbers</a> now properly interpreted and set for 1.21 block test world.
+	<LI>All terrain files regenerated, LunaHD missing chiseled tiles fixed.
+	</UL>
 
 <LI><B>Version 12.00</B>, 6/21/2024 - <a href="https://erich.realtimerendering.com/minecraft/public/mineways/minewaysV1200.zip">exe</a>, <a href="https://github.com/erich666/Mineways/tags">source</a>.
   <BR>
@@ -4238,7 +4246,7 @@ <H1>
 	<div id="footer">
 		<hr>
 		<p>Webmaster: <a href="mailto:erich@acm.org">Eric Haines</a>, erich@acm.org - visit the <a href="contact.html">support page</a>
-		<br id="lastUpdate">Last updated 6/21/2024</p>
+		<br id="lastUpdate">Last updated 7/17/2024</p>
 	</div>
 </div>