Oliver and Annie love to play trucks together at school in Book 4 of the popular Digger Man preschool series. At school, Oliver loves to play trucks with his best friend, Annie. They use their favorite bulldozer to dig tunnels, carve moats around the castle, and build bridges—just like a real construction crew. This action-packed story is perfect for children who love imaginative adventures—as they get to sit right in the driver's seat—and fans of Mighty, Mighty Construction Site. Christy Ottaviano Books