1) Informational literature refers to nonfiction books that present factual material in an objective, report-like manner using expository text structures. These books are also known as nonfiction or reference books. 2) Awards like the Sibert Medal and Orbis Pictus honor excellence in writing high-quality informational books for children. Winning books adhere to strict criteria regarding accuracy, organization, design, and style. 3) Biographies present factual accounts of people's lives but can vary in degree of authenticity, from strictly factual accounts to fictionalized versions. Good biographies bring history to life while maintaining factual integrity.