Subject
6 free books about navigation, free to read online. Chapter 1 of any book is free, no account needed.
Lectures in Navigation
Ernest Gallaudet Draper
The General Historie of Virginia, New England & the Summer Isles (Vol. I) Together with the True Travels, Adventures and Observations, and a Sea Grammar
John Smith
The Men on Deck: Master, Mates and Crew, Their Duties and Responsibilities
Felix Riesenberg
The whys and wherefores of navigation
Gershom Bradford
O Infante D. Henrique e a arte de navegar dos portuguezes
Vicente de Almeida de Eça
The kedge-anchor: or, Young sailors' assistant.
William N. Brady