When Uncle Jake arrives with a trunk full of boards, Henry can hardly wait to start climbing. But when it's all finished, there's a major problem: Mudge can't climb. How can Mudge share the fun? Full color.
Henry gets a new tree house--but can his dog Mudge enjoy it too?--in this twenty-first Ready-to-Read book of their adventures.

Henry's Uncle Jake has built him a tree house. Henry loves tree houses, but Mudge can't climb trees. What fun is a tree house if you can't share it with your best friend?