Book excerpt: Sherlock Holmes teams up with real-life occultist Aleister Crowley and ghost hunter Thomas Carnacki in Scotland for an investigation touched by the supernatural When several leading society figures begin acting out of character, Holmes is enlisted on an investigation that will see him team up with famed ghost hunter Thomas Carnacki, and the famous occultist Aleister Crowley. As London fills up with mindless zombies, possessed by the spirits in the air, Holmes must descend beneath the city via the new underground train network to combat the source. Sherlock Holmes: The Breath of God is a brand-new original novel, detailing a thrilling new case for Sir Arthur Conan Doyle’s timeless creation.