An early June hot spell takes its toll as it fuels a wave of bloody and bizarre crimes for Luis Mendoza of the LAPD. Grisliest by far is the psycho they call the werewolf, who gets his kicks by killing hookers before vanishing into the dark. A gorgeous teenage redhead holds up liquor stores with her boyfriend. And to make the caseload "really "interesting, 'Jack the Stripper' hits the city's gas stations - stealing cash "and "his victim's clothes . . .'A Luis Mendoza mystery means superlative suspense' "Los Angeles Times"