France and England in North America, Part III: La Salle and the Discovery of the West by Francis Parkman is the third part of a landmark work on the study of European settlement and the discovery of new territories in North America. In this volume, the author explores in detail the life and expeditions of the French explorer René-Robert LaSalle, who played an important role in the settlement and exploration of the western territories, including Mississippi and the state of Louisiana. The book recounts La Salle's daring exploits, his encounters with Native Americans and teachings, and the complex relationship between the French and other European powers on the continent. Parkman's work is noted as a meticulously researched historical study that sheds light on important events in the development of North America in the 17th century.