Former Blackhawk pilot Luke Angel wants nothing more than to enjoy the easy life he’s found in coastal Florida. He’s got a seaplane business, a well-trained dog, and a loyal and lovable crew to throw back margaritas with. But when a plane belonging to a friend goes missing from Luke’s airport, local detectives are understandably baffled. Clues are scattered from the Keys to the far side of the Gulf of Mexico, and Luke may be the only one with the connections to piece the puzzle back together.

A master assassin craves one thing above all else: a normal everyday life. Trained to be a killer from the age of 11, Peter has never known the things the average person takes for granted. He has always been an asset. Burned by the CIA and now occupying their secret hit list, he works overseas as a Ronin, living a solitary life in hiding. But someone knows where he is. A strange man arrives at his door offering Peter the chance of a real life. "Get this done and you can be free," he is told.

Waiting to be deployed on a critical mission, elite Marine Raider Matthew Redd stops to help a stranger and wakes up hours later to learn his team was wiped out in an ambush. Unable to remember anything, Redd can’t deny the possibility that he’s somehow responsible for the information leak that led to the massacre. He’s given a deal to avoid a charge of treason, but it means walking away from the Corps and the life he loved. As he faces his loss, Matty gets a cryptic message from his adoptive father, J. B.: “Trouble’s come knocking. . . . Might need your help.”

Months after her mother passes away, artist Tillie Morrisey sees a painting in a gallery that leaves her inexplicably lightheaded and unsteady. When a handsome stranger comes to her aid, their connection is so immediate it seems fated, though Liam is only visiting for a few days. Working on her own art has always been a refuge, but after discovering a document among her mother’s belongings that suggests Tillie’s life has been a lie, she begins to suffer from a series of fugue states, with memories surfacing that she isn’t even sure are her own.

A classic thriller from #1 New York Times bestselling author Michael Crichton, Sphere is a bravura demonstration of what he does better than anyone: riveting storytelling that combines frighteningly plausible, cutting-edge science and technology with pulse-pounding action and serious chills.