Big Dog wants to be friends. "But what is a friend?" asks Little Dog. Readers will learn the answer in this funny, heartwarming story. This level G book is perfect for new readers. Friends have fun, Big Dog explains. They could take a train to the zoo, a bus to the boats, or a rocket to the moon. But before the friends can execute their plans, it starts to snow. The dogs go to their homes where Big Dog takes a bath, and Little...