A boy is pedaling nothing in mid-air. What's missing? Turn the page and you'll see that it's a bike of course. Mother is walking a leash but there's nothing at the end of it. What's missing? The dog. Now the boy looks as though he's dropping down from the sky! What's missing this time? The slide! In a concept book that's filled with surprises, author Niki Yektai only needs to ask the question, "What's missing?" The pictures, the simple text, and enthusiastic readers will provide the answers.