Cynthia Kennedy Henzel

Introduces the pyramids of Egypt, describes how they were built, and discusses the importance of their preservation.

Introduces Stonehenge, describes how it was constructed, and discusses current and past restoration and preservation plans.

Introduces readers to the most powerful machine guns used by the US military today.

"Introduces readers to the most powerful technology used by the US military today, how the inventions work, and what makes them unique. Additional features include a table of contents, infographics to help readers learn more about the topic, sidebars, Fast Facts, critical thinking questions, a phonetic glossary, an index, and sources for further research."-- Publisher's website.

"Introduces readers to what noise pollution is, the consequences of this type of pollution, and what people are doing to help. Additional features include a table of contents, a Fast Facts page, a STEM project, a phonetic glossary, ways for readers to help, an index, an introduction to the author, and sources for further research."-- Description from publisher.