A riveting thriller of corporate intrigue and cutthroat competition between American and Japanese business interests. On the forty-fifth floor of the Nakamoto tower in downtown Los Angeles - the new American headquarters of the immense Japanese conglomerate - a grand opening celebration is in full swing. On the forty-sixth floor, in an empty conference room, the corpse of a beautiful young woman is discovered.

Harry Benson suffers from violent seizures. So violent that he often blacks out when they take hold. Shortly after severely beating two men during an episode, the police escort Benson to a Los Angeles hospital for treatment. There, Dr. Roger McPherson, head of the prestigious Neuropsychiatric Research Unit, is convinced he can cure Benson with an experimental procedure that would place electrodes deep in his brain's pleasure centers.

Political radical John Wright is plotting an act of mass destruction - and federal agent John Graves has him under surveillance, trying to figure out what the plot is. When a government computer is hacked and a high-security shipment of nerve gas gets hijacked, Graves puts the pieces together - but can he stop Wright from unleashing his weapon before it kills a million people...including the President of the United States?

Deep in the African rain forest, near the legendary ruins of the Lost City of Zinj, an expedition of eight American geologists are mysteriously and brutally killed in a matter of minutes. Ten thousand miles away, Karen Ross, the Congo Project Supervisor, watches a gruesome video transmission of the aftermath: a camp destroyed, tents crushed and torn, equipment scattered in the mud alongside dead bodies - all motionless except for one moving image - a grainy, dark, man-shaped blur.

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.