This biography examines the life of Chris Kyle using easy-to-read, compelling text. Through striking historical and contemporary images and photographs and informative sidebars, readers will learn about Kyle's family background, childhood, education, service in the US Navy SEALS, and his time as a sniper. Informative sidebars enhance and support the text. Features include a table of contents, timeline, facts page, glossary, bibliography, and an index....

Explains what causes humpback whales to migrate. Beautiful photos, fact-filled text, and helpful infographics help readers learn all about the science behind this phenomenon as well as ways that people study or protect it.

People and farm animals make a lot of poop every day. Poop is often an untapped source for energy and fuel. Some people hope it will become popular as a sustainable energy source. Turning Poop Into Power looks at how poop becomes energy and the benefits of using it for heating and electricity. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary,...