The Entropy Effect
| Author | Vonda N. McIntyre | 
|---|---|
| Language | English | 
| Genre | Science fiction | 
| Publisher | Pocket Books | 
Publication date  | June 1981 | 
| Publication place | United States | 
| Media type | Print (Paperback) | 
| Pages | 224 | 
| ISBN | 0-671-83692-7 (first edition, paperback) | 
| OCLC | 7452262 | 
| Preceded by | Star Trek: The Motion Picture | 
| Followed by | The Klingon Gambit | 
The Entropy Effect is a science fiction novel by American writer Vonda N. McIntyre, set in the fictional Star Trek Universe. Developed from a screenplay that McIntyre had conceived when she was 18, it was originally published in 1981 and is the first original story in Pocket Books' long-running series of Star Trek novels. The novel includes the first occurrence of given names for the characters Hikaru Sulu and Nyota Uhura, each of which were later made canon.