Ian Hunter has been a brain-injury therapist for 50 years. He is based in Melbourne. He is also the author of Brain Injury: Tapping the Potential Within (Hill of Content, 1986).

Marie O'Regan is an British Fantasy Award-nominated writer and editor of horror and dark fantasy fiction.

Her anthologies include Mirror Mere, Hellbound Hearts, The Mammoth Book of Body Horror, Carnivale: Dark Tales From the Fairground and The Mammoth Book of Ghost Stories by Women.

She is Co-Chair of the UK chapter of the Horror Writers' Association.

Adam Nevill was born in Birmingham in 1969 and grew up in England and New Zealand. He is the author of the supernatural horror novels Banquet for the Damned, Apartment 16, House of Small Shadows,No One Gets Out Alive and Lost Girl as well as The Ritual and Last Days, which both won the August Derleth Award for Best Horror Novel, and the RUSA for Best in Category: Horror. Adam lives in Birmingham.

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.

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.