"The Masters of the Peaks" is a historical fiction novel written by Joseph A. Altsheler. It was the part of his "French and Indian War" series, which includes eight books in total. The novel is set in the mid-18th century in the wilderness of North America during the French and Indian War. It follows the story of two young boys, Robert Lennox and Tayoga, who become fast friends and allies in the midst of the conflict between the British and the French.

Robert is a white settler and Tayoga is a member of the Iroquois nation. Together, they face numerous challenges, including the brutal nature of the war, the treacherous terrain of the wilderness, and the clash of cultures between the settlers and the Native Americans. They encounter various historical figures, including Robert Rogers and his Rangers, and engage in battles and skirmishes with both French and Indian forces. Throughout the novel, Altsheler portrays the struggles and complexities of the war and the relationship between the European settlers and the Native Americans.

He also highlights the loyalty and bravery of both Robert and Tayoga, who work together to overcome obstacles and protect their families and communities. "The Masters of the Peaks" is a thrilling adventure story that provides a vivid portrayal of the historical events and cultural clashes that defined the French and Indian War era in North America.