**NEW YORK TIMES BESTSELLERA moving portrait of friendship by Elyce Arons as she reflects on her long relationship with Kate Spade, whom she met in college and with whom she cofounded the multi-billion-dollar fashion company as they came of age in 1990s New York.**When Elyce Arons first met Katy Brosnahan in a University of Kansas dorm room, she had no idea that this polo shirt–wearing Missouri girl would not only become her best friend but also change the course o...