Paul Adams is the publisher of Limbury Press, a small amateur publishing house which issues specialist paranormal titles on an ad-hoc basis. He is the author of Ghosts & Gallows, Haunted Luton & Dunstable, and The Little Book of Ghosts. Peter Underwood wrote prolifically on ghosts and haunted places within the United Kingdom, and was a leading expert on "the most haunted house in England," Borley Rectory. He is the author of Nights in Haunted Houses, No Common Task, and The Borley Rectory Companion. Eddie Brazil is the author of Camberwell from Old Photographs, Haunted High Wycombe, and Shadows in the Nave.