On May 31, 1953, twenty-year-old Sylvia Plath arrived in New York City for a one-month stint at "the intellectual fashion magazine" Mademoiselle to be a guest editor for its prestigious annual college issue. Over the next twenty-six days, the bright, blond New England collegian lived at the Barbizon Hotel, attended Balanchine ballets, watched a game at Yankee Stadium, and danced at the West Side Tennis Club. She typed rejection letters to writers from The New Yorker and ate an entire bowl of cav...