Sherlock Holmes and the Knave of Hearts

Following a prolonged cocaine binge, Sherlock Holmes is closer to death than Dr Watson has ever seen him before. Fearing for his friend's wellbeing, the pair repair to France, there to enjoy a leisurely convalescence at the home of Holmes's old friend, Henri Gillet. But even before they reach Paris they become embroiled in a perilous mystery of the like even they have never encountered before. Who...