Caitlin R. Kiernan is the author of science fiction and dark fantasy works, including ten novels; many comic books; and more than two hundred published short stories, novellas, and vignettes. She is also the author of scientific papers in the field of paleontology.

Alison Littlewood is the author of A Cold Season, published by Jo Fletcher Books. The novel was selected for the Richard and Judy Book Club, where it was described as "perfect reading for a dark winter's night." Her sequel, A Cold Silence, has recently been published.

Alison's short stories have been picked for Best British Horror 2015, The Best Horror of the Year and The Mammoth Book of Best New Horror anthologies, as well as The Best British Fantasy 2013 and The Mammoth Book of Best British Crime 10. She also won the 2014 Shirley Jackson Award for Short Fiction with her story The Dog's Home, published in The Spectral Book of Horror Stories.

Alison lives with her partner Fergus in Yorkshire, England, in a house of creaking doors and crooked walls

The Oxford Companion to English Literature describes Ramsey Campbell as "Britain's most respected living horror writer". He has been given more awards than any other writer in the field, including the Grand Master Award of the World Horror Convention, the Lifetime Achievement Award of the Horror Writers Association, the Living Legend Award of the International Horror Guild and the World Fantasy Lifetime Achievement Award. In 2015 he was made an Honorary Fellow of Liverpool John Moores University for outstanding services to literature.

Ipsissimus Don Webb joined the Temple of Set in 1989 and served as its High Priest from 1996 to 2002.

He has written and lectured on Left-Hand Path topics and the occult practices of Late Antiquity since 1995. He lives in Austin, Texas.

Angela Slatter is the award-winning author of eight short story collections, including A Feast of Sorrows: Stories, Sourdough and Other Stories, The Bitterwood Bible and Other Recountings, and Winter Children and Other Chilling Tales.

She has won the World Fantasy Award, the British Fantasy Award and five Aurealis Awards. Her short stories have appeared widely, including in annual British, Australian and North American Best Of anthologies, and her work has been translated into Spanish, Russian, Polish, Romanian, and Japanese.

Vigil was her first solo novel, and the sequel Corpselight is due out in July 2017. Angela lives in Brisbane, Australia.

Dale Bailey is the critically-acclaimed author of seven books, including The End of the End of Everything and The Subterranean Season. His story 'Death and Suffrage' was adapted for Showtime's Masters of Horror television series. His short fiction has won the Shirley Jackson Award and the International Horror Guild Award, has been nominated for the Nebula and Bram Stoker awards, and has been frequently reprinted in best-of-the-year anthologies, including Best American Science Fiction and Fantasy. He lives in North Carolina with his family.

Michael Marshall Smith is a novelist and screenwriter. Only Forward, his groundbreaking first novel, won the Philip K. Dick and August Derleth Awards. Its critically acclaimed successors Spares and One Of Us were optioned by major Hollywood studios.

He has since written the internationally bestselling novels The Straw Men, The Lonely Dead and Blood of Angels, and his menacing thriller, The Intruders, was adapted as a major BBC television series. He lives in California with his wife, son and two cats.

Kim Newman is a well known and respected author and movie critic. He writes regularly for Empire Magazine and contributes to The Guardian, The Times, Time Out and others. He makes frequent appearances on radio and TV. He has won the Bram Stoker, International Horror Guild, British Fantasy and British Science Fiction Awards and been nominated for the Hugo, World Fantasy, and James Herbert Awards.