Get ready for some kick-butt comedy with this mathematical book of jokes from the Land of Ooo! Led by Finn and Jake, this totally rhombus joke book features laugh-out-loud funnies from everyone's favourite Adventure Time characters - Princess Bubblegum, Marceline, Ice King, Lumpy Space Princess and more.

Plus, readers can also look out for their own Adventure Time joke submissions, featured alongside awesome gags and sweet one-liners from Finn, Jake and co.