Ellen Ripley finally returns to Earth, only to discover that LV-426 — where the crew of the Nostromo first came into contact with the deadly xenomorphs — has been renamed Acheron. Protected by Colonial Marines, the colonists seek to terraform the storm-swept planet against all the odds. But in the face of brutal living conditions and the daily struggles of a new world, there is humanity and hope.

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 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.

In a corporate-dominated spacefaring future, planetary missions must be approved and supplied by the Company. Exploratory teams are accompanied by Company-supplied security androids, for their own safety. But in a society where contracts are awarded to the lowest bidder, safety isn’t a primary concern. On a distant planet, a team of scientists are conducting surface tests, shadowed by their Company-supplied ‘droid—a self-aware SecUnit that has hacked its own governor module, and refers to itself (though never out loud) as “Murderbot.”

Eight-year-old orphan Beth Harmon is quiet, sullen, and by all appearances unremarkable. That is, until she plays her first game of chess. Her senses grow sharper, her thinking clearer, and for the first time in her life she feels herself fully in control. By the age of 16, she's competing for the US Open championship. But as Beth hones her skills on the professional circuit, the stakes get higher, her isolation grows more frightening, and the thought of escape becomes all the more tempting.