A guide to identifying fifteen different birds, providing information about the physical characteristics and habits of each, as well as about the nests they build and the eggs they lay.
An introduction to the world of caterpillars, butterflies, and other insects, including identification information, educational activities, and fun facts.
Describes the building of ten constructions spanning 500 years of American history. Includes the Mesa Verde cliff dwellings, the Washington Monument, the Holland Tunnel, the Mount Rushmore carvings, and the Mackinac Bridge.
Stories of ten men and women, from the 1770s to the present, who devoted their lives, and sometimes risked them, to answer some of the big questions in science and medicine.
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