Discusses the native Americans known as the Anasazi, who migrated to southwestern Colorado in the first century A.D. and mysteriously disappeared in 1300 A.D. after constructing extensive dwellings in the cliffs of the steep canyon walls.
Describes the efforts of scientists who are trying to save the peregrine falcon from extinction by taking the fragile eggs that would not survive in the wild, hatching them, raising the chicks, and then releasing the birds back into the wild.
The skeletal system is made up of about two hundred and six bones. But what exactly is a bone? And how do bones help your body function? Explore the skeletal system in this engaging and informative book.
As part of the Searchlight Books™ collection, this series sheds light on a key science question-How Does Your Body Work? Interesting photos and useful diagrams will help you find the answer! Book jacket.