Boston Metaphysical Society: The Scourge of the Mechanical Men

In a steampunk setting, Granville and Tesla must race against time to save Boston from a mysterious disease that transforms people into soulless machines. This standalone sequel to the Boston Metaphysical Society series features an ex-Pinkerton detective, a spirit photographer, and a genius scientist confronting supernatural threats in late 1800s Boston. The original six-issue mini-series is also available in trade paperback.