|SUSAN CORY is an award-winning residential architect in Cambridge, Ma. She has a brown belt in karate. Her mystery series, beginning with CONUNDRUM, features Iris Reid, also a Cambridge architect, as an amateur sleuth trying to uncover a murderer at her Harvard reunion. FACADE, finds Iris drawn into a kidnapping scheme while teaching at Harvard. DOPPELGANGER, the third book in the series, features an obsessed con artist who implicates Iris in a crime, then tries to take over her life. In COLLATERAL DAMAGE, a lover from her boyfriend's past reappears on the scene.