In the period between 1815 and 1820, Mary Shelley wrote her most famous novel, Frankenstein; or, The Modern Prometheus, as well as its companion piece, Mathilda, a tragic incest narrative that was confiscated by her father, William Godwin, and left unpublished until 1959. She also gave birth to four--and lost three--children. In this hybrid text, Rachel Feder interprets Frankenstein and Mathilda within a series...