This book provides all of the circuit-board, patterns, parts lists and building tips necessary to construct an array of bugs, taps, directional mics, receivers and other pieces of clandestine hardware for education and amusement. You don't need to be a "wire specialist" to appreciate the simplicity and practicality of these wonderfully sneaky designs. 104 pgs., illus, photos, softcover, 8 1/2" x 11".