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|Born||September 11, 1966|
New Orleans, Louisiana, U.S.
|Residence||Western Massachusetts, Massachusetts, U.S.|
|Alma mater||University of Chicago (BA)|
|Spouse||Diane Kelly (biologist)|
Born and raised in New Orleans, Louisiana, Cambias became interested in space and astronomy at a young age. He received a degree in the History, Philosophy, and Social Studies of Science and Medicine from the University of Chicago, focusing particularly on Robert Hooke and the Royal Society. He currently lives in Western Massachusetts with his wife and two children.
His early writing focused on role-playing games, particularly adventures and support material for Space 1889. His first role playing book was published by Iron Crown Enterprises in 1994, and he has written or contributed to books for Last Unicorn Games, Hero Games, and Steve Jackson Games, including Star Trek: The Next Generation Role-playing Game, GURPS Mars, Star Hero, and GURPS Space. He is one of the founders of Zygote Games, and the co-designer of the game Bone Wars: The Game of Ruthless Paleontology, based on the Bone Wars of the late 19th century, and Parasites Unleashed, a game for younger players based on parasitology.
His first professionally published fiction appeared in 2000. This first story, "A Diagram of Rapture," was well-received and garnered nominations for the 2000 Tiptree Award and the 2001 Locus Award, as well as earning Cambias a nomination for the 2001 John W. Campbell Award for Best New Writer. He continued to primarily write short fiction for the next ten years, and his work was subsequently published in The Magazine of Fantasy and Science Fiction, The Journal of Pulse-Pounding Narratives, Crossroads: Tales of the Southern Literary Fantastic, All-Star Zeppelin Adventure Stories, Hellboy: Odder Jobs, Lady Churchill's Rosebud Wristlet, and several Year's Best anthologies.
His first full-length novel, A Darkling Sea (2014) concerns the encounter between humans and two species of sentient extraterrestrials. The book received positive reviews, mentioning the meticulous world-building and believable aliens as particular strengths. Cambias has cited his hatred of the "famous Star Trek Prime Directive" as direct influence on the book, stating that "It’s a rule which can only be invented by people who don’t need it." A Darkling Sea was nominated for the Locus Award, the John W. Campbell Memorial Award, and the Compton Crook Award, as well as the Kurd Lasswitz Prize for the German translation of the novel as "Bestes aüslandisches Werk."
His second novel is the 2015 techno-thriller Corsair, about space pirates in a near-future hard science-fiction setting. His most recent novel is titled Arkad's World, " a coming-of-age story about a human boy alone on an alien planet."  Cambias has said that follow-up novels to both Corsair and A Darkling Sea are in the works.
Cambias has become known for attending conventions and readings in semi-formal wear, often sporting a bow-tie.
- A Darkling Sea (2014, Tor Books, ISBN 978-0-76533-628-6)
- Corsair (2015, Tor Books, ISBN 978-1-52266-048-4)
- Arkad's World (2019, Baen Books, ISBN 978-1-48148-370-4)
- Outlaws and Aliens, self-published chapbook (2016)
- Monster Island Tales, self-published chapbook (2017)
|The alien abduction||2000||Cambias, James L. (Sep 2000). "The alien abduction". F&SF. 99 (3): 4–30.||Novelette|
- "A Diagram of Rapture" (April 2000, The Magazine of Fantasy and Science Fiction)
- "Return to Skull Island" (June 2002, Journal of Pulse-Pounding Narratives)
- "Train of Events" (January 2003, The Magazine of Fantasy and Science Fiction)
- "Apocrypha" (January 2004, Journal of Pulse-Pounding Narratives)
- "The Ocean of the Blind" (April 2004, The Magazine of Fantasy and Science Fiction, later adapted in A Darkling Sea)
- "See My King All Dressed in Red" (August 2004, Crossroads: Tales of the Southern Literary Fantastic)
- "The Vampire Brief" (October 2004, Hellboy: Odder Jobs)
- "The Eckener Alternative" (November 2004, All Star Zeppelin Adventure Stories)
- "Parsifal (Prix Fixe)" (February 2006, The Magazine of Fantasy and Science Fiction)
- "The Barbary Shore" (October 2007, Shimmer)
- "Balancing Accounts" (February 2008, The Magazine of Fantasy and Science Fiction)
- "The Dinosaur Train" (July 2008, The Magazine of Fantasy and Science Fiction)
- "Makeover" (July 2009, Nature Magazine)
- "The Wolf and the Schoolmaster" (January 2010, Shimmer)
- "How Seosiris Lost the Favor of the King" (September 2010, The Magazine of Fantasy and Science Fiction)
- "Object Three" (November 2011, The Magazine of Fantasy and Science Fiction)
- "Contractual Obligation" (July 2014, War Stories: New Military Science Fiction)
- "Periapsis" (September 2014, Hieroglyph: Stories and Visions for a Better Future)
- "A Right Jolly Old…" (February 2016, Conspiracy!, published again July 2017, Science Fiction for the Throne: One-Sitting Reads)
- "Golden Gate Blues" (March/April 2016, The Magazine of Fantasy and Science Fiction)
- "Treatment Option" (June 2017, Seat 14C)
- "René Descartes and the Cross of Blood" (July 2018, Lady Churchill's Rosebud Wristlet #38)
- Short stories unless otherwise noted.
- Apocrypha, story available free through the author's website.
- The Eckener Alternative, story available in pdf form through the Imagining Tomorrow site, previously published in All-Star Zeppelin Adventure Stories and Year's Best SF 10.
- Science Made Cool, blog
- James L. Cambias at the Internet Speculative Fiction Database
- Bibliography at the author's site
- Creating “believable” aliens: an interview with James L. Cambias John Hickman. Space Review. April 14, 2014.
- Beyond the Boundary: A Conversation with James L. Cambias at Clarkesworld Magazine, March 2014
- James L. Cambias RPG designer entry on boardgamegeek.com
- James L. Cambias board game designer entry on boardgamegeek.com
- Interview With James Cambias at Shimmer Magazine, 2010