5The nurse from hell: Always cheerful, helpful, and sweet, nurse Jane Toppan was the last person you would suspect to administer a dose of death. When countless patients sought treatment for minor ailments and ended up dead, it was often thought accidental, due to the shortcomings of medicine in the late 1800s. But behind the jolly mask, there was a monster that was years in the making. America's First Female Serial Killer is an imagined retelling of Jane Toppan-one of the deadliest poisoners of all time-and readers will get a fly-on-the-wall perspective of her life and crimes that will leave you up at night.