Sometimes Leon wakes up in the middle of the night because he has to go potty. "Mommy!!" he cries, and Mommy Penguin rushes to help him. "Daddy!!" he calls, and Daddy Penguin comes to his aid. But when Leon discovers that grown-ups use the bathroom all by themselves, he decides that he can too -- all by himself! This adorable book will delight young readers and parents alike -- children, with its charming humor and cute illustrations, and parents, with its lessons about independence and growing up. Watch the trailer: