Margaret Cavendish, Duchess of Newcastle (1623-1673), until recently remembered more as a flamboyant eccentric than as a serious writer, was in fact the most prolific, thought-provoking, and original woman writer of the Restoration. Cavendish is the author of many poems, short stories, biographies, memoirs, letters, philosophical and scientific works (including The Description of a New World, Called The Blazing World, the first work of...