But when Lionel throws all the toys in the air and they come down THUNK on Dad's head . . . Dad yells! Ow! So does Lionel! Dad takes a break and has a think. Then comes rushing back for a big hug—Dad is very, very happy, and so is Lionel! This fun story is a discussion tool for emotional learning—over enthusiasm, mistakes, feeling upset, reconciliation, love—and a father and son relationship rarely seen in board books. Boundary-pushing Lionel has a mischievous grin that instantly wins us over, and his tolerant father incidentally provides a great model for parenting. This small and sturdy board book is just right for toddlers' and preschoolers' hands, making it ideal to read alongside a child. is the third book in this pithy board book series, designed to be read as standalone stories that introduce developmental milestones with humor, mischief, and gentle guidance. The series includes and Translated from the French edition by Daniel Hahn.