"The castle of the devil" is an adaptation of a story fragment by Robert E. Howard."
"This volume collects issues #1 through #5 of the Dark Horse Comics monthly Solomon Kane series and "The Nightcomers," a Solomon Kane short story that originally ran online in the MySpace Dark Horse presents June 2008 issue"--T.p. verso.
Solomon Kane. The castle of the devil by Scott Allie. ISBN 9781595822826. Published by Dark Horse Books in 2009. Publication and catalogue information, links to buy online and reader comments.