The fifteenth-century Romanian Prince Vlad III Dracula, also known as Vlad the Impaler, is among the most intriguing personalities in medieval history. Already during his lifetime, his true story became obscured by a veil of myths. As a result, he has been portrayed both as a bloody tyrant -- who degenerated down throughout the centuries into the fictional vampire of the same name created by Bram Stoker at the end of the nineteenth century -- and...