'I had rather die in the adventure of noble achievements, than live in obscure and sluggish security.' One of the most diverse, prolific, and maverick intellectuals of her time, Margaret Cavendish is known for critiquing a wide range of early modern cultural and philosophical beliefs. While she was the first British woman to publish several philosophical treatises, she was also profoundly interested in literature and writing in nearly every available genre; indeed, with her wide-ranging, complex, and often unorthodox ideas, she was a pioneer of what today would be referred to as science fiction. In this edition Lisa Walters brings together well-known and popular works such as The Blazing World, alongside lesser-known poems and prose pieces, like The Ambitious Traitor and The Unnatural Tragedy. The introduction discusses the wide-ranging concepts that appear in the writings, from gender and cross-dressing, to science and the nature of the universe, and provides a fresh insight on