Cat Tree Basics Author:Richard Leatham Cat Tree Basics is a step-by-step instruction book detailing how to build your own cat tree. There are 8 different designs with over 200 photos detailing the whole process. The designs range from an 18 inch scratching post to a large 5 foot tree. Also included are plans for a tunnel. Every step has a photo in which to compare your own progress. ... more »Most designs require only basic tools. Exact dimensions are provided so your local Hardware store can cut your wood for you. A Supply list is provided for each design along with approximate costs. You can then pick out your carpet and start assembling. Email help is always available.« less