This engrossing book provides a high-level overview of World War I, focusing on the war's causes, key battles, and long-term impact, while also explaining the war's effects on civilians and marginalized groups. The book also includes a table of contents, two infographics, two "Key Leaders" special features, several "Think About It" critical thinking questions, a "Key Statistics" page, a timeline, quiz questions, a glossary, additional resources, and an index. This Focus Readers title is at the Voyager level, aligned to reading levels of grades 5–6 and interest levels of grades 5–9.