A PARENTS magazine Best Book of 2019 * An Association of Booksellers for Children Best Book A triangular board book may seem unusual, but Peek-A-Who?, with its cleverly shaped lift-the-flaps, garnered fans from across the children's book world. This follow-up to the acclaimed original is full of hidden animals, each making different sounds. Can you figure out who each one is? Lift the unique shaped flaps to see who peeks out!