Quantum: A Thriller

A USA Today, Wall Street Journal, Washington Post, and Amazon Charts bestseller.

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

On the eve of a top secret space mission, Captain Calli Chase detects a tripped alarm in the tunnels deep below a NASA research center. A NASA pilot, quantum physicist, and cybercrime investigator, Calli knows that a looming blizzard and government shutdown could provide the perfect cover for sabotage, with deadly consequences.

As it turns out, the danger is worse than she thought. A spatter of dried blood, a missing security badge, a suspicious suicide--a series of disturbing clues point to Calli's twin sister, Carme, who's been MIA for days.

Desperate to halt the countdown to disaster and to clear her sister's name, Captain Chase digs deep into her vast cyber security knowledge and her painful past, probing for answers to her twin's erratic conduct. As time is running out, she realizes that failure means catastrophe--not just for the space program but for the safety of the whole nation.

Brilliantly crafted, gripping, and smart, Patricia Cornwell's cliffhanger ending will keep readers wondering what's next for Captain Calli Chase.

In 1990, Patricia Cornwell sold her first novel, Postmortem, while working at the Office of the Chief Medical Examiner in Richmond, Virginia. An auspicious debut, it went on to win the Edgar, Creasey, Anthony, and Macavity Awards as well as the French Prix du Roman d'Aventure prize--the first book ever to claim all these distinctions in a single year. Growing into an international phenomenon, the Scarpetta series won Cornwell the Sherlock Award for best detective created by an American author, the Gold Dagger Award, the RBA Thriller Award, and the Medal of Chevalier of the Order of Arts and Letters for her contributions to literary and artistic development.

Today, Cornwell's novels and iconic characters are known around the world. Beyond the Scarpetta series, Cornwell has written the definitive nonfiction account of Jack the Ripper's identity, cookbooks, a children's book, a biography of Ruth Graham, and two other fictional series based on the characters Win Garano and Andy Brazil. While writing Quantum, Cornwell spent two years researching space, technology, and robotics at Captain Calli Chase's home base, NASA's Langley Research Center, and studied cutting-edge law enforcement and security techniques with the Secret Service, the US Air Force, NASA Protective Services, Scotland Yard, and Interpol.

Cornwell was born in Miami. She grew up in Montreat, North Carolina, and now lives and works in Boston and Los Angeles.