An out-of-this-world friendship adventure by Captain Underpants creator Dav Pilkey, with full-color art and mini comics by Caldecott Medalist Dan Santat. Ricky

Infuriated by the declaration that Pluto is no longer a planet, President Penguin and his penguins invade Earth and it is up to Ricky and his robot pal to defea

Meet Ricky Ricotta. He's an ordinary mouse with ordinary problems-sometimes he gets picked on at school and feels a bit lonely. Then, one day, a giant flying Ro

From Dav Pilkey, creator of Captain Underpants, and acclaimed artist Dan Santat, a thrilling friendship adventure with all-new full-color illustrations and mini

From the creator of CAPTAIN UNDERPANTS, comes a BRAND NEW out-of-this-world friendship adventure - in full colour! Ricky may be small in size, but he's a big he