The book investigates the historical figure of Gilles de Rais, commonly known as Bluebeard, and the accusations of serial murder and occult practices leveled against him. Jean Benedetti, a noted theatre historian and critic, examines the life of this 15th-century French nobleman, a companion-in-arms to Joan of Arc, whose later years were marked by alleged atrocities. The work scrutinizes the trial and execution of de Rais, questioning the veracity and context of the charges that have cemented his infamy.

Jean Benedetti's "The Real Bluebeard" is recognized for its scholarly approach to a notorious historical figure. As a historian specializing in theatre, Benedetti brings a unique perspective to the analysis of the Bluebeard legend and its origins in the trial of Gilles de Rais. The book is likely to appeal to readers interested in historical true crime, medieval history, and the construction of folklore. It offers a critical examination of the evidence, aiming to separate historical fact from enduring myth.