"Everyone knows Beatrix Potter as the creator of the Peter Rabbit stories. But before that, she was a girl of science. As a child, Beatrix collected nature specimens; as a young adult, she was an amateur mycologist presenting her research on mushrooms and other fungi to England's foremost experts. Like many women of her time, she remained unacknowledged by the scientific community, but her keen eye for observation led her to an acclaimed career as...