Harper Prism

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 Magic: The Gathering and The X-Files.

Harper Prism

Parent company	HarperCollins
Status	defunct
Founded	1993
Successor	Eos
Country of origin	United States
Headquarters location	New York City
Key people	John Silbersack
Publication types	books
Fiction genres	science fiction and fantasy

When HarperCollins acquired Avon Books in 1999, the Harper Prism imprint was absorbed into the Avon Eos line.