From the back of the book:
Welcome to Wonderland, a strange, sometimes creepy alternate world that incorporates aspects of a fairytale land, the elements of childrens nightmares, and a demi-plane of chaos!
This OGL sourcebook is inspired by the works of Lewis Carroll, including his Alices Adventures in Wonderland and Through the Looking Glass and a number of poems. It includes:
More than 20 monsters and NPCs native to Wonderland.
Chapters of Wonderland Skills, Feats, Spells, and Magic Items.