Preston-Mafham, Ken.The Natural History of Spiders. Crowood, 1997. Biology and anatomy of spiders with lots of color photographs.
Preston-Mafham, Rod, and Ken Preston-Mafham.Spiders of the World. Blandford, 1998. A thorough guide to spider classification, biology, and behavior for the non-specialist.
Squire, Ann O.Spiders of North America. Franklin Watt, 2000. On the behavior and physical characteristics of North American spiders. For younger readers.