Louisa May Alcott once wrote that she had taken her pen for a bride-groom. Leona Rostenberg and Madeleine Stern, friends and business partners for fifty years, have taken up their pens and passion for literature in much the same way. Described as the "Holmes and Watson" of the rare book business, Rostenberg and Stern - in addition to many other extraordinary discoveries in their lifetime of literary sleuthing - unlocked the secret of Louisa May Alcott's...