Dogs--Fiction--Juvenile literature. Henry (Fictitious character : Rylant)--Fiction--Juvenile literature. Mudge (Fictitious character : Rylant)--Fiction--Juvenile literature. Tree houses--Fiction--Juvenile literature. Uncles--Fiction--Juvenile literature. Dogs--Fiction. Henry (Fictitious character : Rylant)--Fiction. Mudge (Fictitious character : Rylant)--Fiction. Tree houses--Fiction. Uncles--Fiction. Dogs--Fiction. Henry (Fictional character : Rylant)--Fiction. Mudge (Fictional character : Rylant)--Fiction. Tree houses--Fiction. Uncles--Fiction.