What Do Smurfs Do All Day? (original French title Que Font Les Schtroumpfs Toute La Journee?) is a book created by Peyo and published through the Dr. Seuss line of children's books. It is basically a primer of what Smurfs do in the day, meant to be read by young children to teach them how to read.
This book was featured as a poem in a 2013 live-action/animated romantic comedy-drama and fantasy film.