101 Spy Gadgets for the Evil Genius by Brad Graham
McGraw-Hill/TAB Electronics; 1 edition | June 19, 2006 | English | ISBN: 0071468943 | 259 pages | PDF | 41 MB
101 projects that appeal to the spy in you
Utilizing inexpensive, easily obtainable components, you can build the same information gathering, covert sleuthing devices used by your favorite film secret agent. Projects range from simple to sophisticated and come complete with a list of required parts and tools, numerous illustrations, and step-by-step assembly instructions.