Title: Sphere
Description: Sphere is a 1987 novel by Michael Crichton, his sixth novel under his own name and his sixteenth overall.

The story follows Norman Johnson, a psychologist engaged by the United States Navy, who joins a team of scientists assembled to examine a spacecraft of unknown origin discovered on the bottom of the Pacific Ocean. The novel begins as a science fiction story but quickly transforms into a psychological thriller, developing into an exploration of the nature of the human imagination.


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See also:
 - [Sphere](https://openlibrary.org/works/OL18169959W/Sphere)

Also contained in:

 - [Congo / Sphere / Eaters of the Dead][2]


  [1]: http://www.michaelcrichton.com/sphere/
  [2]: https://openlibrary.org/works/OL14950504W/Congo_Sphere_Eaters_of_the_Dead
Subjects: space ships, space vehicles, squid, psychology, giant squid, Twenty Thousand Leagues Under the Sea, explosives, diving chambers, claustrophobia, psychologists, mathematicians, zoologists, astrophysicists, marine biologists, United States Navy, deep sea habitats, time travel, Life on other planets, Open Library Staff Picks, Juvenile fiction, Scientists, Fiction, Science fiction, Fiction, action & adventure, Chang pian xiao shuo, Fiction, science fiction, general
Places: Pacific Ocean, DH-8 Habitat
People: Jerry, Norman Johnson, Harold Adams, Elizabeth Halpern, Theodore Fielding, Arthur Levine, Harold C. Barnes, Alice Fletcher, Tina Chan, Rose Levy, Jane Edmunds