With these novels--gathered here in one hardcover volume--Sir Arthur Conan Doyle introduced the world to literature's greatest detective.<br><br>In 1887, Sir Arthur Conan Doyle's slim mystery novel A Study in Scarlet unleashed the unflappable detective Sherlock Holmes and his partner, Dr. John Watson. Watson and Holmes would go on to become two of the most widely admired characters in all of literature. Two of the novels that followed--<i>The Sign of Four </i>and <i>The Hound of the Baskervilles</i>--expanded the world of Watson and Holmes's practice at 221B Baker Street, thrilling readers with Holmes's impeccable powers of deduction that inevitably guide him toward any mystery's solution. These novels are gripping, timeless, and exquisitely plotted--truly indispensable classics of the detective genre.