Robot Builder's Sourcebook : Over 2,500 Sources for Robot Parts
A comprehensive listing (with address, phone numbers, web sites) of over 2500 suppliers and manufacturers of robot components, materials, tools, and much more.  There are even sources for tracking down older and hard-to-find parts.  Also listed are books, journals, magazines, professional societies, and Internet resources, including education sites, competition information, and web sites where hobbyists can find examples of program code.  Dozens of sidebars and articles on various robotics topics break up the directory feel.  The author also indicates recommended sources based on his own experiences and identifies "premium" sources that are dedicated to robot hobbyists. (Library Journal)