The Adventure Time Encyclopaedia Inhabitants, Lore, Spells, and Ancient Crypt Warnings of the Land of Ooo Circa 19. 56 B. G. E. - 501 A. G. E.

Explore the magical world of Ooo with Jake the dog and Finn the human, along with the Ice King, Princess Bubblegum, Marceline the Vampire Queen, and all your favourite Adventure Time characters.