Dead Sleep by Greg Iles is a psychological thriller that follows the story of a young woman named Jordan Glass, a forensic artist who specializes in creating sketches of murder victims based on police descriptions. While working on a case, she discovers a photograph of a woman who resembles a victim of a brutal, unsolved crime from years ago. As she investigates, Jordan becomes entangled in a dangerous conspiracy that involves her own past and a series of murders connected to the mysterious woman in the photo. The novel delves into themes of memory, identity, and deception, as Jordan uncovers dark secrets that put her own life at risk. With twists and turns, Dead Sleep explores the complexities of human nature and the lengths people will go to cover up the truth.