| Harper Prism | |
| Parent: | HarperCollins |
| Status: | defunct |
| Founded: | 1993 |
| Founders: | --> |
| Successor: | Eos |
| Country: | United States |
| Headquarters: | New York City |
| Keypeople: | John Silbersack |
| Publications: | books |
| Genre: | science fiction and fantasy |
Harper Prism (1993–1999) was launched by John Silbersack, Publishing Director, in 1993 as the first science fiction and fantasy imprint of HarperCollins Publishers in the United States.[1] Prism's early authors included Stephen Baxter, Terry Pratchett, Isaac Asimov, and Clive Barker as well as many media and gaming tie-ins such as and The X-Files.
When HarperCollins acquired Avon Books in 1999, the Harper Prism imprint was absorbed into the Avon Eos line.