When the great Sherlock Holmes turned to Dr. Watson and said, "I have never loved, Watson, but if I did ..." ("The Adventure of the Devil's Foot," 1897), Holmes could not foresee that Elisabeth Sunderland would be waiting, desperate for his help, in his Baker Street sitting room fourteen months later. As Holmes saves Elisabeth from a fate worse than death in "The Adventure of the Warwickshire Ripper," she falls in love with the redoubtable detective. Then the unthinkable occurs-subtle encouragement from Watson leads Holmes to realize that he returns Elisabeth's love, in his own way, and they...