A School Library Journal Popular Pick A young boy makes an unlikely friend on his way to school in this sweet and charming picture book from the illustrator of A Hop Is Up.One thing is for sure. Pax is the littlest everywhere he goes. In school. At playtime. On the train. Then Pax meets a pigeon at the park—he names him Blue and makes a friend who knows what it’s like to be small. And understanding each other can lead to the best friendships.