Gilbert wants to be a Martian Space Pilot at the school costume parade, but a mix-up leaves him with nothing but his little sister's ballerina tutu to wear! In this hilarious follow-up to the best-selling Roses are Pink, Your Feet Really Stink, everyone's favorite porcupine learns all about the ups and downs of being different. Here is a madcap masquerade that will leave school-age children in stitches. "This caper gets primary-grade humor just right." -- "Publishers Weekly ""A kid-appealing Halloween treat."-- "The Horn Book" Gilbert wants to be a Martian Space Pilot at the school costume parade, but a mix-up leaves him with nothing but his little sister's ballerina tutu to wear! In this hilarious follow-up to the best-selling Roses are Pink, Your Feet Really Stink, everyone's favorite porcupine learns all about the ups and downs of being different. Here is a madcap masquerade that will leave school-age children in stitches. Diane deGroat is the illustrator of more than 120 children's books and the author-illustrator of bestselling books about Gilbert, including Ants in Your Pants, Worms in Your Plants! (Gilbert Goes Green) ; April Fool! Watch Out at School! ; Mother, You're the Best! (But Sister, You're a Pest!) ; Last One in Is a Rotten Egg! ; and the New York Times bestseller Roses Are Pink, Your Feet Really Stink . Diane lives in Amherst, Massachusetts.