Time Quintet and A Swiftly Tilting Planet are what genre?
A Swiftly Tilting Planet: A Swiftly Tilting Planet (1978) is a science fiction novel by Madeleine L'Engle and illustrators Leo and Diane Dillon, the third book in the Time Quintet. Time Quintet: The Time Quintet is a fantasy/science fiction series of five young adult novels written by Madeleine L'Engle.
science fiction