Henry and Mudge and the Tall Tree House (Level 2 Reader) By Cynthia Rylant
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?