Action! Adventure! Supa-silly stuff! From the creator of the worldwide bestselling Captain Underpants series comes a brand new digital adventure: Planet Pilkey! Explore a wild and wacky mashed-up world featuring all your favorite Dav Pilkey characters, including Dog Man, Ook and Gluk, Super Diaper Baby, Captain Underpants, and more! Dip into Dav's amazingly hilarious books!