"Will delight fans of Mo Willems's "Pigeon" series... absolutely charming." -- School Library Journal * "Super-charged." -- The Bulletin of the Center for Children's Books, starred review"HEY! What are you guys doing?" "We're going to metamorphosize." "Meta-WHAT-now?" "Transform into butterflies." "Right. Right. I knew that... WAIT?! You're telling me I can become a BUTTERFLY?" "Yes." "With wings?" "Yes." "Wait for ME!!"​​​​​​​ Ross Burach's hilarious, tongue-in-cheek exploration of metamorphosis will make you flutter with glee, while also providing real facts about how caterpillars transform into butterflies.