Jon LellenbergJon Lellenberg is a longtime member of The Sherlock Holmes Society of London, the historian of The Baker Street Irregulars in America, and the author, editor, or co-editor of a half dozen books about the life of Sherlock Holmes's creator, including 'rthur Conan Doyle: His Life in Letters' (HarperCollins), which was a BBC Book of the Week in September 2007, and '"Dangerous Work": Diary of an Arctic Adventure' (British Library, 2012).  From 1979 to 2016 he was the U.S. representative of Dame Jean Conan Doyle, the author's daughter, and subsequently of the Conan Doyle Estate. Read More Read Less