Be Big. Paperback Book. What child wouldn't like to have a pet as special as Clifford the Big Red Dog! That's part of the secret of Norman Bridwell's successful series of children's books. Big, warm, red, and lovable, Clifford is "every child's idea of what a dog should really be!" - Elementary English. Lexile Level: 300 Guided Reading Level: J DRA Level: 18-20.