The 13-Story Treehouse (Special Collector's Edition)

The first in a new series by "New York Times"-bestselling author Griffiths. Andy and Terry live in a treehouse. But it's not just any old treehouse, it's the most amazing treehouse in the world! This treehouse has 13 stories, a bowling alley, a see-through swimming pool, a secret underground laboratory, and a marshmallow machine. Illustrations.