Famous Friends: Helen Keller and Mark Twain is a perfect narrative non-fiction book for young learners! It's packed full of historical information about two of America's most influential literary people's friendship, including their humble beginnings, how they became friends through shared grief, and how they made a deep mark on the literature, culture, and history of the United States. Also included are historical photos, a chronological timeline of their lives and friendship, chapter notes, a glossary, works consulted and further reading recommendations for student research.