Have Robot, Will Travel — Alexander C. Irvine

Robot specialist Derec Avery and Calvin Institute attach? Ariel Burgess-last seen in Asimov's Aurora by Mark W. Tiedemann-return in an all-new adventure. A human has been murdered, and all the clues point toward a robot as the killer. But how can that be, when robots are programmed to never bring harm to humans? Derec and Ariel must find the murderer-before they become the next victims. . . .