For nearly two centuries, scholars have wondered how on earth Mary Shelley, a nineteen-year-old girl, was able to conjure one of the most frightening and enduring horror stories of all time: Frankenstein. But with the recent discovery of Mary Shelley's secret memoir, the truth is finally revealed: Mary Shelley didn't just write Frankenstein, she lived it. Traveling back to that historic Geneva winter of 1816, Mary, her fianc Percy, sisters...