Board Book | JUVENILE FICTION/Holidays & Celebrations / Thanksgiving | Mary Lyn Ray, Stephanie Graegin (Illustrated by) Thank you isn't just for learning manners. It's also for when something wakes a  little hum—a little happy hum—inside you and you want to answer back. The Thank You Book explores the many ways we can be thankful for the pleasures, great and small, that await us every day. Tender and poetic, it reflects on the role gratitude can play in our lives and celebrates the powerful impact it can have on us.