The second hilarious and heartwarming chapter book from the writer of the blockbuster film Minions!

Grumbolt is majoring in action! He's finally getting to follow his dreams at Toy Academy, from learning daring maneuvers, to getting paired up with a sidekick! Grumbolt can't wait to find out who his sidekick is... until it turns out that he's the sidekick. And to school bully Rex Everything, no less. This duo will never work. But when a toy named Tempest Boomcloud kidnaps a classmate and steals Rex's van, it looks like Grumbolt and Rex will have to work together to stop Tempest's evildoing and figure out why she's terrorizing them. Can they stop fighting long enough to brave dangerous lairs, vanquish terrifying teddy bears, and stop Tempest? This laugh-out-loud chapter book by Brian Lynch, the writer of Minions and a writer of The Secret Life of Pets, is stuffed full of action and fun.