From Aristotle to Yo-Yo Ma, these award-winning books will captivate readers through lives that changed the world. Stunning 112-page, full-color biographies detail the events and eras that drove the actions of each historic individual. Rich back matter includes a subject-specific timeline with a world timeline, source notes, select bibliography, glossary, and index. Signature Lives: Modern America-Learn about people who contributed significantly to the changes of 20th century America. These 112-page biographies will explore the lives of people who influenced industrialism, science, globalization, and nationalism.z.