Adventure Time What time is it? Adventure Time! There"s no excuse for being bored with Finn and Jake"s awesome activity book. Jam-packed with puzzles, games and all-round righteousness, it"s a guaranteed good time with all your favourite Adventure Time characters. Algebraic! Collect more freaking awesome Adventure Time books from Puffin, including The Adventure Time Official Sticker Book and Finn and Jake"s Official Guide to the Land of Ooo!