This phrase refers to a science fiction series set on a planet called Pern. The saga intricately combines elements of fantasy and science fiction, featuring a world where humans have regressed technologically and are threatened by a deadly spore called Thread, which falls from the sky. Dragons, genetically engineered to fight Thread, play a central role in the survival of Perns inhabitants.
The impact of this literary work is considerable within the science fiction and fantasy genres. It introduced a unique blend of scientific rationale for fantastical creatures and abilities, captivating readers with its complex world-building and themes of societal responsibility, ecological awareness, and the struggle against overwhelming odds. The series has been a significant influence on subsequent fantasy and science fiction authors, contributing to the popularity of dragon-themed narratives.