International bestselling author Patricia Cornwell delivers pulse-pounding thrills in a series featuring a brilliant and unusual new heroine, cutting-edge cybertechnology, and stakes that are astronomically high.

A mayoral candidate's brother is released from prison twenty-five years after pleading guilty to the murder of his girlfriend, a situation that leads to the re-opening of the case.

Feeling deprived all her life of schooling, friends, mother, and even her name by her twin sister, Louise finally begins to find her identity.

Jennifer tells of the many ways that she and her twin sister, Julie, are alike and different.

In the aftermath of a NASA rocket launch gone terribly wrong, Captain Calli Chase comes face-to-face with her missing twin sister-as well as the startling truth of who they really are. Now, a top secret program put in motion years ago has spun out of control, and only Calli can redirect its course. Aided by cutting-edge technologies, the NASA investigator and scientist turned Space Force pilot sets out on a frantic search for the missing link between...

A novel on mental illness, narrated by a man whose twin brother, a schizophrenic, amputates his hand as atonement for his sins. The novel describes the family abuse that led to the illness and the narrator's efforts to obtain the brother's release from an asylum.