"In the early 1800s, the US government forced Native Americans in the Southeast United States out of their homes and off of land they had occupied for thousands of years. The Trail of Tears takes a look at the shocking and tragic story of how Native Americans were affected by settlement in the United States."--From publisher's website.
Describes the race to create the nuclear bomb, discussing secret operations, key developments, and notable scientists. Also discusses the power of the bomb, its effects, and its legacy today. Includes critical thinking questions, photographs, a glossary, and further resources.
Describes the race to reach the Earth's poles, discussing different explorers and missions, and their achievements. Includes sidebars, critical thinking questions, color photographs, a glossary, and further resources.