The authors, Daniel Stashower, Jon Lellenberg, and Charles Foley, are premier scholars and experts on both Arthur Conan Doyle and Sherlock Holmes. Daniel Stashower, most recently the author of The Beautiful Cigar Girl, is an award-winning mystery novelist, an Edgar Award winner and the recipient of the Raymond Chandler Fulbright Fellowship in Detective and Crime Fiction Writing. He is also the author of Teller of Tales, a widely praised biography of Sir Arthur Conan Doyle. Jon Lellenberg is the U.S agent for the Conan Doyle estate and coeditor of a number of anthologies of new Sherlock Holmes stories by mystery writers, as well as the historian of the Baker Street Irregulars. Charles Foley is the great-nephew of Arthur Conan Doyle and great-grandson of Mary Foley Doyle, as well as the present executor of the Conan Doyle Estate.