"Mr. Gumpy's Outing" is a children's book written by John Burningham. The story follows Mr. Gumpy, a kind man who decides to take a boat ride on a river. He invites various animals, including a cat, a dog, and a rabbit, to join him on his adventure. As they travel, the animals create a lively atmosphere, but their playful antics lead to trouble. The boat eventually capsizes, and everyone must work together to get back to shore. The story emphasizes themes of friendship, cooperation, and the joy of spending time in nature.