The Sign of Four (Sherlock Holmes Reference Library) [first edition]

The Sign of Four is a new, thoroughly annotated edition of the original Sherlock Holmes novel by Sir Arthur Conan Doyle, edited by Leslie S. Klinger. The annotations are a guide to the Victorian era and the hundreds of scholarly works that study the lives and times of Sherlock Holmes and John H. Watson, M.D. This handsome, illustrated volume is bursting with scholarly references and features a sturdy, smythe-sewn soft cover binding.