Zac and the Lost Dog follows Zac as he helps his neighbor, Johnny Bell, search for a missing "dog" named Hopper. But Johnny Bell's clues are strange: Hopper has two legs, never barks, and loves red flowers. As they search, Zac practices reading and math, stands up for a classmate, and learns to keep trying. When they finally find Hopper, Zac gets a hilarious surprise-and the adventures are only beginning