Snow Queen

The Snow Queen is a 1980 science fiction novel by American writer Joan D. Vinge. It won the Hugo Award for Best Novel in 1981, and was also nominated for the Nebula Award for Best Novel in 1981.Based on the 1844 fairy tale of the same name by Hans Christian Andersen, The Snow Queen takes place on a mostly oceanic planet called Tiamat. Tiamat's suns orbit a black hole, which facilitates interstellar wormhole travel and connects Tiamat to the rest of the civilized galaxy (the "Hegemony", the remnants of a fallen Galactic Empire).