The totally algebraic adventures of Finn and Jake come to the comic book page. The Lich, a super-lame, super-scary skeleton dude, has returned to the the Land of Ooo, and he's bent on total destruction. Luckily, Finn and Jake are on the case--but can they succeed against their most destructive foe yet? Features fan-favorite characters Marceline the Vampire Queen, Princess Bubblegum, Lumpy Space Princess, and the Ice King.

"Originally published in single magazine form as Adventure time [and] Adventure time free comic book day edition"--P. facing t.p. "This hardcover, totally mathematical edition features brand new behind-the-scenes material and an all-new never-before-seen comic"--P. [4] of cover.