"The Clue" is the first in the series of mystery novels by prolific author Carolyn Wells, featuring the shrewd private investigator Fleming Stone. Beautiful young heiress Madeleine Van Norman has no shortage of eager suitors, but her chosen future husband is in love with another woman. Wretched and anxious the night before the wedding, Madeleine leaves to contemplate her future. The next morning, the guests have a shocking mystery on their hands when the bride-to-be Madeleine is found murdered. A classic 'locked-room' mystery – detective Fleming Stone is soon on the case to solve the mystery and catch the killer.