Frogs Are Funny: The Most Sensational, Inspirational, Celebrational, Muppetational Muppets Joke Book EVER! is a joke book from Little Brown Books for Young Readers. The 208-page hardcover book was released in 2011, tying in with the release of The Muppets. Description: A bright and fun collection of some of the best jokes, one-liners, and comedy bits ever spouted by your favorite Muppet characters, illustrated with full color photos of the Muppets. A must-have for Muppets fans of all ages!