When the animals and equipment at the farm need more space, Tractor Mac comes to the rescue by helping to build a barn.

Hard hats on! Join a busy, noisy construction site to watch the mega machines in action constructing a new school. You'll be part of the action—from preparing the site to adding the finishing touches and having a grand opening ceremony. Level 1 DK Readers feature read-together stories for children just beginning to learn to read. They contain short, simple sentences, simple vocabulary, word repetition, and large type. Strong visual clues combined...