The United States government is given a warning by the preeminent biophysicists in the country: current sterilization procedures applied to returning space probes may be inadequate to guarantee uncontaminated re-entry to the atmosphere.

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.

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.

The Stranger appears out of nowhere, perhaps in a bar or a parking lot or at the grocery store. His identity is unknown. His motives are unclear. His information is undeniable. Then he whispers a few words in your ear and disappears, leaving you picking up the pieces of your shattered world.

A seasoned military officer uncovers a deadly conspiracy on a distant, war-torn planet… War heroes aren't usually called out of semi-retirement and sent to the far reaches of the galaxy for a routine investigation. So when Colonel Carl Butler answers the call from an old and powerful friend...