It is time for Penny, Polly, and Molly to go to sleep - at least Mama Hen says so! But the Tough Chicks are too excited - they've got too many things to do. Penny has the wiggles, Polly has the giggles, and Molly is ready for adventure. How can the very clever Mama Hen get these energetic Tough Chicks to sleep?

Illustrated by: Melissa Suber