Appropriate Technology Library The most comprehensive appropriate technology and sustainable living resource in the world! The AT Library contains the full text and images from over 1050 of the best books dealing with all areas of do-it-yourself technology. Source: https://villageearth.org/appropriate-technology/appropriate-technology-library See /ATL index.pdf for complete book index and /00 Source/* for detailed description of each book. This is a good one. Please help seeding, I will not seed for long.