Alastair Reynolds was born in Barry, South Wales, in 1966. He studied at Newcastle and St Andrews Universities and has a Ph.D. in astronomy.

He stopped working as an astrophysicist for the European Space Agency to become a full-time writer.

Revelation Space and Pushing Ice were shortlisted for the Arthur C. Clarke Award; Revelation Space, Absolution Gap, Diamond Dogs and Century Rain were shortlisted for the British Science Fiction Award and Chasm City won the British Science Fiction Award.

Alix E. Harrow is an ex-historian with lots of opinions and excessive library fines, currently living in Kentucky with her husband and their semi-feral children. Her short fiction has been nominated for the Hugo, Nebula and Locus awards. 

Charlie Jane Anders' latest novel is The City in the Middle of the Night. She's also the author of All the Birds in the Sky, which won the Nebula, Crawford and Locus awards, and Choir Boy, which won a Lambda Literary Award. Plus a novella called Rock Manning Goes For Broke and a short story collection called Six Months, Three Days, Five Others. Her short fiction has appeared in Tor.com, Boston Review, Tin House, Conjunctions, the Magazine of Fantasy and Science Fiction, Wired Magazine, Slate, Asimov's Science Fiction, Lightspeed, ZYZZYVA, Catamaran Literary Review, McSweeney's Internet Tendency and tons of anthologies. Her story "Six Months, Three Days" won a Hugo Award, and her story "Don't Press Charges And I Won't Sue" won a Theodore Sturgeon Award. Charlie Jane also organizes the monthly Writers With Drinks reading series, and co-hosts the podcast Our Opinions Are Correct with Annalee Newitz.

Ian McDonald was born in 1960 in Manchester, England, to an Irish mother and a Scottish father. He moved with his family to Northern Ireland in 1965. He is the author of Luna: New Moon and Luna: Wolf Moon. He has won the Locus Award, the British Science Fiction Association Award, and the John W. Campbell Memorial Award. He now lives in Belfast.