Did horse just say moo? Peek beneath the flaps inside this delightful board book to find out! Baa, moo, quack, oink! Can you figure out which animals make these sounds?  Who Said Moo?  is an adorably illustrated board book full of peek-through flaps and touch-and-feel elements. Little ones can lift the flaps to find out which animals make each noise. With funny pairings and a surprise mirror, this farm book is sure to be a story time favorite!