From publisher blurb:
Between their covers, books can hold nearly anything: answers to a terrible mystery, wizards' spells, or instructions for a popular game. Books have power, and those who possess them know how to use that power, both in the real and fantasy world.
Book and Shelf a resource focused using books and libraries in your game. It includes
A real-world history of books, from clay tablets to ebooks
How books might change in a fantasy world
Optional rules for characters building and personal library
A random book generator
3 new spells: awaken book, scribe, and speed read
5 new magic items: arcane enchiridion, book of secrets, iron codex, Raska's scroll case of convenience, and shelf of preservation
3 new monsters: author devil, biting book, and bookworm