Famous Friends: Helen Keller and Mark Twain is a narrative non-fiction packed full of historical information about two of America's most influential literary people's friendship, their humble beginnings, how they became friends, 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.