When a research scientist begins studying the genetic components of aggression she discovers a chilling conspiracy involving the government, a biotech company, and her own university, all devoted to reshaping society through genetic manipulation.

Olivia Morrow, a Manhattan psychologist, begins to suspect that her husband Jonathan, a brilliant obstetrician and medical researcher, may have been murdered instead of his twin brother, Charles. Her search for the truth plunges her into life-threatening danger which is only increased when she crosses the path of Henry Patton, a criminologist, who is on a search of his own, the truth behind a long-ago scandal involving his grandmother that must now...

Her twin sister is missing. When Ariana Costas heard her twin sister, Zoe, had disappeared, Ari left Vermont and returned to her Jersey girl roots to find her. Ari didn't know what to expect from her search, but danger around every corner, dodging bullets, and a hunk in a leather jacket saving her was not it. He thought she was someone else. Detective Quinn Donovan thought he located Zoe Costas. Beautiful, dark haired and a perfect match to the...

As WWII rages through Europe, two sisters struggle for happiness and love in this epic from the New York Times–bestselling author.
 The German army is advancing through Europe and the Battle of Britain is grimly underway. With her fiancé, Jowan, missing in action, Violetta Denver despairs of ever seeing him again. While Violetta waits for news, her sister Dorabella finds herself torn between two men: her French...

Bennie Rosato looks exactly like her identical twin, Alice Connelly, but the darkness in Alice's soul makes them two very different women. Or at least that's what Bennie believes, until she finds herself buried alive at the hands of her twin. Alice underestimates Bennie, though, and the evil she has unleashed in her twin's psyche, as well as Bennie's determination to stay alive long enough to exact revenge.

Jockey Kit Fielding has been riding the de Brescou's horses in a succession of triumphs on the race course. But this winning streak is about to end. Kit's twin sister, Holly, has come to him in desperation. Threatened by financial scandal, she and her husband may lose their training stables. Kit soon finds, though, that a greater danger lurks behind the threat-one that could be fatal. Narrator Simon Prebble has received enthusiastic praise for his...

Laurel and Daphne Wolfe, identical, inseparable redheaded twins, share an obsession with words. As adults making their way in 1980s Manhattan, their verbal infatuation begins to push them apart. Their fraying twinship finally shreds completely when the sisters go to war over custody of their most prized family heirloom: Merriam Webster's New International Dictionary, Second Edition. A comic love letter to sibling rivalry and the English language...

NEW YORK TIMES BESTSELLER • Jane Rizzoli and Maura Isles—the inspiration for the hit TNT series—continue their bestselling crime-solving streak.

“Crime writing at its unputdownable, nerve-tingling best.”—Harlan Coben
Boston medical examiner Dr. Maura Isles is shocked to discover that the murdered woman looks exactly like her. For Maura, an only child, a DNA test confirms...