Sam Siciliano is the author of several novels, including the Sherlock Holmes titles The Angel of the Opera, The Web Weaver, The Grimswell Curse and The White Worm. He lives in Vancouver, Washington.

A daring and delightful crossover of Sherlock Holmes and his criminal adversity: Arsene Lupin, the Gentleman Burglar. These superb sleuths will solve intricate riddles and journey across France and beyond to uncover the long-lost treasure of the House of Bourbon.