Fueled by a powerful curiosity - and by a need to see, feel, and hear, firsthand and close-up - Michael Crichton's journeys have carried him into worlds diverse and compelling - swimming with mud sharks in Tahiti, tracking wild animals through the jungle of Rwanda. This is a record of those travels - an exhilarating quest across the familiar and exotic frontiers of the outer world, a determined odyssey into the unfathomable, spiritual depths of the inner world.

An astonishing technique for recovering and cloning dinosaur DNA has been discovered. Now humankind’s most thrilling fantasies have come true. Creatures extinct for eons roam Jurassic Park with their awesome presence and profound mystery, and all the world can visit them - for a price.

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 the tightly knit world of Boston medicine, the Randall family reigns supreme. When heart surgeon J. D. Randall’s teenage daughter dies during a botched abortion, the medical community threatens to explode. Was it malpractice? A violation of the Hippocratic Oath? Or was Karen Randall murdered in cold blood? The natural suspect is Arthur Lee, a brilliant surgeon and known abortionist, who has been carrying out the illegal procedure with the help of pathologist John Berry.

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.