The World Wreckers is a science fantasy novel by American writer Marion Zimmer Bradley, part of her Darkover series. First published by Ace Books in 1971, it features a complex sub-plot involving the sexual interactions between hermaphrodite native species, known as the chieri, and humans. The book contains pivotal events in the part of the series that Zimmer Bradley identified as "After the Comyn/Against the Terrans". Every book that follows chronologically, refers to The World Wreckers.