Gives readers a behind-the-scenes look at the invention of the atomic bomb. Additional features include a table of contents, a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, an index, and sources for further research.
Learn all about snow leopards, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
Learn more about sewer inspectors, including what they do on a typical day, what the grossest parts of the job are, and what technology they use to stay safe and make the job less gross.
Learn all about sea turtles, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
Learn all about sea otters, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
Learn all about salamanders, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
Learn more about portable toilet cleaners, including what they do on a typical day, what the grossest parts of the job are, and what technology they use to stay safe and make the job less gross.
Learn all about polar bears, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
Learn all about giant pandas, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
Learn more about garbage collectors, including what they do on a typical day, what the grossest part of the job is, and what technology they use to stay safe and make the job less gross.
Learn all about fennec foxes, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
Learn more about compost center operators, including what they do on a typical day, what the grossest parts of the job are, and what technology they use to stay safe and make the job less gross.
Learn all about chimpanzees, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
Learn all about blue whales, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
Learn all about black rhinos, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
Learn all about black-footed ferrets, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
Learn all about African elephants, including where they live, why they are endangered, and how people are working together to save them. Chapters explain physical characteristics and behaviors as well. Additional features include full-color photographs, informative sidebars, detailed maps, a glossary of key words and phrases, and an introduction to the author.
When Hector notices litter floating in the pond at the park, Leo the paintbrush teaches him about the importance of respecting nature and the environment. Together, Hector and Leo learn about the different ways we can protect our planet. Additional features to aid comprehension include a table of contents, a section on using respectful words, a S.T.E.A.M. activity, a phonetic glossary, sources for further research including web sites, an index, and an introduction to the author.
This book provides the history of biofuels, different uses, positive and negative characteristics, and how they will impact the future.
This book explains what going green means, what eco-friendly energy is, and how readers can make a difference.
This book introduces biofuels as a possible energy source and discusses the differences between renewable and nonrenewable energy, fossil fuels, photosynthesis, and more.
This book introduces environmentally friendly power sources and also discusses fossil fuels, pollution, greenhouse gases, and the importance of conservation.
This book explores solar energy and discusses the properties of the Sun, how sunlight is used by plants, solar thermal collectors, solar energy's advantages and disadvantages, and other related topics.
This book provides an introduction to wind energy, describes what it is, its uses, characteristics, and future possibilities.
The plastic industry has profoundly impacted our world. The Planet Human series breaks down the human impact on the environment over time and around the globe. Each title presents important high-interest natural science nonfiction content with global relevance.