City at the End of Time

Blurb

City at the End of Time is a 2008 science fiction novel by American writer Greg Bear. It was published in August 2008 by Del Rey in the United States, and Gollancz in the United Kingdom. The story follows three drifters in present-day Seattle who are tormented by strange dreams of the Kalpa, a city one hundred trillion years in the future. The Kalpa is attempting to ward off the Typhon, an inexplicable entity that has consumed the rest of the ancient universe and broken down the laws of physics.
The novel belongs to the Dying Earth subgenre. It is rooted in hard science fiction, but also incorporates several other genres, including fantasy and horror. Bear called it science fiction "stretched to the nth degree". He said that in the novel he honors those writers who changed the face of science fiction and fantasy, including William Hope Hodgson and Arthur C. Clarke, and pays homage to Hodgson's 1912 novel, The Night Land, with which City at the End of Time shares a number of plot elements.
The novel received a mixed reception from critics.