Bookshelves

Bookshelves are a type of block that has a side texture and a top/bottom texture. The top/bottom textures are always planks and the side textures show things on shelves (primarily books, hence the name).

There is 4 types of bookshelves. Bookshelf, Crimson Bookshelf, Fir Bookshelf, and the Brickshelf. The regular bookshelves correspond to different types of planks, whilst the Brickshelf is using Wooden Planks and has bricks in it instead of books.

Usage
Regular Bookshelves can be mined with or without a tool to drop 3 books, whilst the Brickshelves drop 3 bricks.