Sphere (novel)

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Sphere

First edition cover
Author	Michael Crichton
Language	English
Genre	Science fiction
Publisher	Knopf
Publication date	May 12, 1987
Publication place	United States
Media type	Print (hardcover)
Pages	385
ISBN	0-394-56110-4
OCLC	15198625
Dewey Decimal	813/.54 19
LC Class	PS3553.R48 S6 1987
Preceded by	Congo
Followed by	Jurassic Park

Sphere is a 1987 novel by Michael Crichton, his sixth novel under his own name and his sixteenth overall. It was adapted into the film Sphere in 1998.^[1]

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.