Gila! is a novel written by Les Simons. It was first published in 1981.
Description[]
A horde of giant Gila Monsters is on the loose in New Mexico, threatening every living creature in sight. Nothing and no one is safe from the ravenous creatures as they tear their way through the desert and into heavily populated areas. Can these atomically mutated creatures be stopped or is this the beginning of the end for mankind? It's up to Chato del-Klinne and Dr. Kate Dwyer to kick the hiss out of the oversized lizards!