Publisher's blurb: I don't care what they say, words hurt... That's why my Dr recommended books so I could really hurt my Players... and well... Endless Dungeons Volume 19 has lots of books. With 464 Tiles, Decor, and ready to play map tiles this set has it all. Side effects may include swelling of the brain, writers block, potty mouth, and paper cuts on your eyeballs... 200+ Modular Library Tiles 150+ Builder Tiles 100+ Decoration Objects from Books, to Bookshelves, Paper, Jewels, * Globes, Tables and More! ...If you build it, they will run... These maps and tiles were made for VTT use. All grids align at a 140x140 pixel per unit ratio. All titles of the tiles are named with the pieces size in units- ie: 25x25_Map_03. That map or tile will fit your VTT at the size ratio for the grid size in your VTT of choice. All tiles Snap together on a grid in Photoshop or Gimp when assembled there as well!