SPENCER ELLSWORTH's short fiction has previously appeared in Lightspeed Magazine, The Magazine of Fantasy & Science Fiction, and Tor.com. He is the author of the Starfire trilogy, which begins with Starfire: A Red Peace. He lives in the Pacific Northwest with his wife and three children, works as a teacher/administrator at a small tribal college on a Native American reservation.

ANDREW NEIL GRAY and J. S. HERBISON are partners in life as well as in writing. The Ghost Line is their first fiction collaboration, but won’t be their last: a novel is also in the works. They have also collaborated in the creation of two humans and preside over a small empire of chickens, raspberries and dandelions on Canada’s West Coast.

DAVE HUTCHINSON was born in Sheffield in 1960 and read American Studies at the University of Nottingham before becoming a journalist. He’s the author of five collections of short stories and four novels. His novella The Push was nominated for the BSFA Award in 2010, and his novels Europe in Autumn and Europe at Midnight were nominated for the BSFA, Arthur C Clarke, and John W Campbell Memorial Awards in 2015 and 2016 respectively. Europe at Midnight was also shortlisted for a Kitschie Award in 2016. He now writes full-time, and lives in North London.

MARTHA WELLS has written many novels, including the New York Times and USA Today-bestselling Murderbot Diaries series, which has won multiple Hugo, Nebula, Locus, and Alex Awards. Other titles include Witch King, City of Bones, The Wizard Hunters, Wheel of the Infinite, the Books of the Raksura series (beginning with The Cloud Roads and ending with The Harbors of the Sun), and the Nebula-nominated The Death of the Necromancer, as well as YA fantasy novels, short stories, and nonfiction.

Corey J. White is the author of Repo Virtual and The VoidWitch Saga – Killing Gravity, Void Black Shadow, and Static Ruin. She has also had short fiction published in Interzone and Analog magazines, and a number of sci-fi anthologies. She studied writing at Griffith University on the Gold Coast, and is now based in Naarm (Melbourne), Australia.

Her novel Repo Virtual won the Aurealis Award for Best Science Fiction Novel.