Tools of the Trade

'''Haldeman, Joe (Joseph W.). Tools of the Trade.''' New York: Morrow, 1987.

Borderline between S. F. and spy thriller, premised on "an ultrasonic signal which compels obedience to voice commands." Rev. Mary Turzillo Brizzi, SF&FBR Annual 1988: 199-200, source for this entry, and quote. Cf. and contrast the command voice in Frank Herbert's Dune series and G. Lucas's STAR WARS trilogy. See JH's ''All My Sins. . . and note high-tech brainwashing in Forever War''.