She has published many articles on science fiction, with particular attention to feminist sf. Since 1990 she has been a co-editor of Science Fiction Studies, and she is also co-editor, with Joan Gordon, of two scholarly collections, Blood Read: The Vampire as Metaphor in Contemporary Culture (U Pennsylvania P, 1997) and Edging into the Future: Science Fiction and Contemporary Cultural Transformation (U Pennsylvania P, 2002). She is a past winner of the Science Fiction Research Association’s Pioneer Award.