Subject
5 free books about sailing, free to read online. Chapter 1 of any book is free, no account needed.
The Book of the Sailboat: How to rig, sail and handle small boats
A. Hyatt Verrill
Boat sailing in fair weather and foul
A. J. Kenealy
Sailing
E. F. Knight
Hints to Young Yacht Skippers
Thomas Fleming Day
Practical Boat-Sailing: A Concise and Simple Treatise
Douglas Frazar