Rainwater Harvesting for Drylands and Beyond is a much awarded series of titles out of the USA by Brad Landcaster. Brad’s a Permie who has worked extensively in grassroots greywater re-use and has also worked on many community projects in both developing and developed nations in the realms of rainwater harvesting systems.

Volume I focuses on designing and implementing rainwater harvesting systems for domestic, rural and community use, with a wide range of examples form various countries. Drylands processes are emphasized, but there’s plenty of other examples and the techniques hold true for any biosphere. It’s a great overview of the basics of rainwater harvesting for a range of environments, and full of tips and tricks for designing a complete system, or for the 1% rule of small, slow solutions