A Study in Brimstone [Warlock Holmes, Bk 1] (Paperback) ISBN-13: 9781783299713 ISBN-10: 1783299711 Genres: Mystery, Thriller & Suspense, Science Fiction & Fantasy 7 Warlock Holmes the Sign of Nine (Paperback) ISBN-13: 9781785659362 ISBN-10: 1785659367 Genres: Mystery, Thriller & Suspense, Science Fiction & Fantasy 1 |