Grosset & Dunlap published a number of Muppet books in the late 1990s, including the list below. It later became an imprint of the Penguin Group.

• Muppet Treasure Island: Sailing for Adventure
• Muppet Treasure Island: Treasure Hunt
• Pigs in Space: Journey to the Planet Za
• The Rat Pack: A Muppet Countdown Adventure
• Hide-and-Seek Picnic
• Where Is Your Mommy?
• Where Are You Going, Kermit?
• The Bunny Slipper Mystery
• Muppets from Space: The Making of Muppet Movie Magic
• Muppets from Space Sticker Stories
• Great Gonzos of the Galaxy
• Gonzo's Book of Out-of-This-World Puzzles