Foreigner

Über

Foreigner is a science fiction novel by the Canadian author Robert J. Sawyer, originally published in 1994 by Ace Books. It is the final book of the Quintaglio Ascension Trilogy, following Far-Seer and Fossil Hunter. 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 earlier.