This is a historical journey in pursuit of the history, legend and lore ofvampires. Where do they come from? Why do they have so much appeal today?As "Twilight" hits the book charts and billboards, and "True Blood" is onTV there are vampires in downtown clubs and never has it been morefashionable to be pale. M J Trow looks at the story of vampires and chartsits origins a long way from the shopping mall in the story of the warriorprince, Vlad of Wallachia.