The sonnet lover

"For how thy memory has lingered on. In spite of cruelest winter' s drear and howl. By inner mirror seen; I' ve dwelled upon, Did Shakespeare pen a series of passionate sonnets, unknown to modern scholarship, ardently praising a mysterious dark-haired beauty? This tantalizing question is raised in a letter to literature professor Rose Asher. But the letter' s author, Rose' s star pupil, is not tel...