Paleontology

• Walking on Eggs : The Astonishing Discovery of Thousands of Dinosaur Eggs in the Badlands of Patagonia by Luis M. Chiappe and Lowell Dingus, illustrated by Nicholas Frankfurt (Scribner, 2001). This is an exciting tale of discovery -- tens of thousands of unhatched dinosaur eggs! What kind of dinosaur layed them? When were they layed? Why didn't they hatch? Sauropods, late cretaceous (70 to 80 million years ago) and carnivorous dinosaurs might be some of the answers ...