Whimsical drawings by Malcolm Wells (world - renowned architect, artist, and author of several books, including The Earth - Sheltered Home, Classic Architectural Birdhouses, Recovering America, InfraStructures, and How to Build an Underground House) throughout the book make this a must for every bathroom library, a great gift for gardeners (and anyone who urinates), and an enlightening problem - solver for
environmental planners dealing with the nutrient pollution of water.