WINNER OF THE NATIONAL BOOK AWARD It was the summer Coltrane died, the summer of love and riots, and the summer when a chance encounter in Brooklyn led two young people on a path of art, devotion, and initiation. Patti Smith would evolve as a poet and performer, and Robert Mapplethorpe would direct his highly provocative style toward photography. Bound in innocence and enthusiasm, they traversed the city from Coney Island to Forty-Second Street, and eventually to the celebrat