After traveling millions of miles through space, roving robots gently landed on Mars and then drove across its surface. Read this book to learn how engineers accomplished these amazing feats of space
Wildlife crossings help keep animals safe from the roads that cross their natural habitats. Read this book to discover how engineers create these structures that protect animals.
Illustrates the experience of children who lived during the American Civil War. Captivating text, informative infographics, and historical photos make this title a compelling and thought-provoking rea
Presents true accounts of children forced to live in Japanese American confinement camps. Personal narratives, informative infographics, and historical photos make this title a compelling and thought-
Lions and bees and meerkats, oh my—these are a few of the many animals that survive and thrive in groups. Discover how group members help each other face life’s challenges. From finding food to raisin
Explore how the American public viewed the war in Vietnam and how American culture changed during the Vietnam era. Includes a glossary, websites, and other resources.
Learn how the American Revolution tore apart communities and turned British colonists to Americans. Includes a glossary, websites, and other resources.
"Hydrogen is the most widespread element and one of the building blocks of life. First appearing when the Big Bang created the universe, hydrogen is now part of human technologies that could change th
Explores the establishment of the judicial branch. Authoritative text, colorful illustrations, illuminating sidebars, and a "Voices from the Past" feature make this book an exciting and informative re
