George Mann is an author and editor, primarily in genre fiction. He was born in Darlington, County Durham in 1978. A former editor of Outland, Mann is the author of The Human Abstract, and more recently The Affinity Bridge and The Osiris Ritual in his Newbury and Hobbes detective series, set in an alternate Britain, and Ghosts of Manhattan, set in the same universe some decades later. He wrote the Time Hunter novella "The Severed Man", and co-wrote the series finale, Child of Time. He has also written numerous short stories, plus Doctor Who and Sherlock Holmes audiobooks for Big Finish Productions. He has edited a number of anthologies including The Solaris Book of New Science Fiction, The Solaris Book of New Fantasy and a retrospective collection of Sexton Blake stories, Sexton Blake, Detective, with an introduction by Michael Moorcock.

Sophia McDougall (born 1979) is a British novelist, playwright, and poet, who studied at Oxford University in England. She is best known as the author of the alternate history trilogy Romanitas, in which the Roman Empire still exists in contemporary times. She is also the author of Mars Evacuees and Space Hostages - sci-fi adventures for children (and everyone else who likes spaceships.)