Trillium is a series of five fantasy novels by <a href="/c/books/credit/25235/marion-zimmer-bradley/">Marion Zimmer Bradley</a>, <a href="/c/books/credit/419790/julian-may/">Julian May</a>, and <a href="/c/books/credit/106574/andre-norton/">Andre Norton</a>. They take place in a post-holocaust world that is hinted to be a colony of earth on another planet where magic works.
• Black Trillium (1990) - by Marion Zimmer Bradley, Julian May, and Andre Norton
• <a href="/c/books/book/419792/blood-trillium/">Blood Trillium</a> (1992) - by Julian May
• Golden Trillium (1993) by Andre Norton
• <a href="/c/books/book/725455/lady-of-the-trillium/">Lady of the Trillium</a> (1995) by Marion Zimmer Bradley
• <a href="/c/books/book/502832/sky-trillium/">Sky Trillium</a> (1997) - by Julian May
