The 10th Anniversary Edition of the most comprehensive, up-to-date and thoroughly researched book on the topic of composting human manure available anywhere. It includes a review of the historical, cultural and environmental issues pertaining to "human waste," as well as an in depth look at the potential health risks related to humanure recycling, with clear instructions on how to eliminate those dangers in order to safely convert humanure into garden soil. Written by a humanure composter with over thirty years experience, this classic work now includes illustrated, step-by-step instructions on how to build a "$25 humanure toilet," a chapter on alternative graywater systems, photos of owner-built humanure toilets from around the world, and an overview of commercial composting toilets and systems.

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