"Researcher Gina Gray is on the verge of a breakthrough in sonar technology, and what she's told Navy Commander Mark Bishop is only the beginning.."--

NEW YORK TIMES BESTSELLER

Using a restricted FBI database, genetic researcher Jeanie Ferrami has located identical twins born to different mothers. Frightened by her bizarre discovery, she is determined to discover the truth at any cost—until she finds herself at the center of a scandal that could ruin her career.
 
To extricate herself, Jeannie plunges into a maze of hidden evidence. With growing horror,...

"...New York City medical examiner Laurie Montgomery returns to work at the Office of Chief Medical Examiner, where she's been employed for more than two decades. Worried about whether she still has what it takes after so much time away, Laurie finds her first case back to be a dangerous puzzler of the highest order, involving organized crime and two start-up biotech companies caught in a zero sum game...." --inside front cover.

A researcher at a pharmaceutical company, Marina Singh journeys into the heart of the Amazonian delta to check on a field team that has been silent for two years--a dangerous assignment that forces Marina to confront the ghosts of her past.

Don Tillman, professor of genetics, has never been on a second date. He is a man who can count all his friends on the fingers of one hand, whose lifelong difficulty with social rituals has convinced him that he is simply not wired for romance. So when an acquaintance informs him that he would make a "wonderful" husband, his first reaction is shock. Yet he must concede to the statistical probability that there is someone for everyone, and he embarks...

When wealthy developer Nathan King refuses to fund research that could prolong her young son's life, vivacious single mother Kerri Sullivan, who will not take no for an answer, will stop at nothing to change his mind.

"It's 1891 and Trevor and Kate are united in a quest to cure tuberculosis. Can they overcome past secrets and current threats to find hope for a future together?"--

While researching archaeological sites that may soon succumb to the effects of the Deepwater Horizon spill, Faye Longchamp helps a young teenager who has lost everything but a dilapidated old houseboat left to her by her murdered grandmother and uncle.