The plot becomes more unnerving as it progresses, and an impressive twist leads to a lengthy final act featuring Rosica at her most ferocious...Cory's concise prose establishes a consistent pace that never wavers, and even her descriptions of architecture are exhilarating." The KIRKUS REVIEWThis third installment in the Iris Reid mystery series introduces Rosica, Iris's beautiful but treacherous doppelganger, a sinister creature guaranteed to send a shiver down the reader's spine. P. M. Steffen, best-selling author of The Profiler's Daughter and Killing UlyssesDuring a robbery, a bank guard is shot. The license of the getaway car is traced to Architect Iris Reid. When Iris is arrested and shown security footage of the robbery, she sees her own face looking back.Scrambling to defend herself against an airtight case, Iris discovers that her mail's been diverted to an abandoned apartment in the next town. She's able to pick up her doppelganger's trail.But someone is watching her every move.Doppelgänger, the third Iris Reid mystery from real-life architect Susan Cory, is a psychological thriller about obsession, identity and what it means to have parts of your life stripped away.