of the narrative, the author focuses on the various sources of documentation related to Columbus's life and voyages, emphasizing the significance of Columbus's own writings. Winsor notes the challenges historians face due to the complexities and inconsistencies in Columbus's accounts, as well as the limited availability of original documents. The opening chapters introduce the reader to the extensive documentary evidence surrounding Columbus's life, including his letters and the various biographical works that have attempted to portray his legacy. Through a detailed examination of these sources, Winsor sets the stage for a deeper exploration of Columbus's impact on the spirit of discovery that characterized the Age of Exploration. (This is an automatically generated summary.)