Our bestseller. 

Building a treehouse? You need this guidebook in your life. 

Treehousing: The Instructional Guide covers foundational information on treehouse design and build: from selecting trees, to designing your platform, to installing specialized hardware, to applying for a permit. It's full of best practices Pete Nelson and his crew have developed from 30 years of treehouse-building. Consider it requisite reading before taking to the trees.