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ORIGINAL CLASSIC EDITION (We have a few pre-own private investigator editions in very good confition)

Get the goods on others with this encyclopedia of advanced investigative and surveillance techniques. Here are expert ways to secretly bug any target! Info on lock-pick technology, how polygraphs and voice lie detectors can be tricked and much more, including more than 100 sources for spy equipment. 8 1/2 x 11, softcover, illus., 272 pp.