Mark Valentine's stories have been selected for Best British Short Stories edited by Nicholas Royle, Best New Horror edited by Stephen Jones, The Mammoth Books of Ghost Stories edited by Richard Dalby, and the Ghosts & Scholars books edited by Rosemary Pardoe, as well as for many other anthologies. Along with The Swan River Press, he also publishes with other independent imprints such as Tartarus Press (UK), Sarob Press (France) and Zagava (Germany). His twenty or so books include studies of Arthur Machen and the diplomat and fantasist Sarban, and essays on book-collecting and the esoteric. He also edits Wormwood, a journal of the fantastic.