Far-Seer is a novel written by Canadian science fiction author, Robert J. Sawyer. It is the first book of the Quintaglio Ascension Trilogy, and is followed by two sequels: Fossil Hunter and Foreigner. The book depicts an Earth-like world on a moon which orbits a gas giant, inhabited by a species of highly evolved, sentient Tyrannosaurs called Quintaglios, among various other creatures from the late cretaceous period, imported to this moon by aliens 65 million years prior to the story.