- Michael F. Ashby, Materials Selection In Mechanical Design, Pergamon Press, Second Edition, 1999.
- U.G.K.Wegst and M.F.Ashby, The Mechanical Efficiency of Natural Materials, Philosophical Magazine, 21 July 2004, vol.84, No.21, 2167-2181.
Why wood is the world’s most environmentally friendly building material.
- Spider silk
An article on how spiders make their silk including pictures.
- Silk, Webs, and More
Article and video, Spider Expert Cheryl Y. Hayashi, American Museum of Natural History