Recounts the discovery of a dinosaur nesting field containing a large number of eggs, describing the field work done to classify them, calculate the period of prehistory they came from, and identify the reasons why many of them never hatched.

Two renowned paleontologists describe the discovery of a vast cache of unhatched dinosaur eggs in the remote badlands of Patagonia and their investigation into the meaning of the seminal discovery, interweaving their field adventures with an illuminating look at the groundbreaking techniques of modern-day paleontology. 25,000 first printing. (view table of contents)

Describes the efforts of paleontologists to arrange an expedition to search for dinosaur fossils in the inhospitable region of southern South America know as Patagonia.