Castle Shade: A Novel of Suspense Featuring Mary Russell and Sherlock Holmes

In this chilling adventure, Mary Russell and Sherlock Holmes face a dark and ageless threat within the confines of a castle. The narrative unfolds as they navigate the complexities of royal intrigue and the looming dangers that come with it. The blend of mystery and suspense keeps readers engaged as the duo confronts both external and internal challenges, testing their wits and resolve.