Arkady Martine is a speculative fiction writer and, as Dr AnnaLinden Weller, a historian of the Byzantine Empire and an apprentice city planner.

Under both names she writes about border politics, rhetoric, propaganda and the edges of the world. Arkady grew up in New York City and, after some time in Turkey, Canada and Sweden, lives in Baltimore with her wife, the author Vivian Shaw.

New York Times bestseller Sarah Rees Brennan is the author of the critically acclaimed Unspoken, a romantic Gothic mystery. The first book of her Demon’s Lexicon series received three starred reviews and was an ALA Top Ten Best Book for Young Adults.

She lives in Ireland. Visit her at SarahReesBrennan.com. New York Times bestseller Maureen Johnson is the author of 10 YA novels, including 13 Little Blue Envelopes, The Name of the Star and The Madness Underneath. Maureen was named one of Time magazine’s top 140 people to follow on Twitter.

John Scalzi is one of the most popular and acclaimed SF authors to emerge in the last decade. His debut, Old Man's War, won him science fiction's John W. Campbell Award for Best New Writer.

His New York Times bestsellers include The Last Colony, Fuzzy Nation, Lock In, and also Redshirts, which won 2013's Hugo Award for Best Novel. Material from his widely read blog The Whatever (whatever.scalzi.com) has also earned him two other Hugo Awards. He lives in Ohio with his wife and daughter.