Timeless. Beautiful. Dangerous. 1816 -- the Year Without a Summer -- resulted in two of literature's most feared and beloved creations. Mary Shelley's Frankenstein. Doctor Polidori's Vampyre. American biographer, Rachel Walton, attained international recognition for her Shelley bio, unearthing the horrific events which jolted Frankenstein and his wretch into existence in the peaceful lakeside village of Montreux, Switzerland. What she hadn't expected...