Vonda N. McIntyre

writer
Novel

Star Trek: The Entropy Effect


Spock and the rest of the crew of the Enterprise transport a time-traveling criminal, Dr. Georges Mordreaux, between planets.
The effort required to change an event is proportional to the square of its distance in the past. The curve of a power function approaches infinity rather quickly.
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  • Science Fiction
  • Definite Time Travel
Novel

Star Trek TOS Books

Star Trek IV: The Voyage Home


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  • Science Fiction
  • Definite Time Travel