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 ...