Celestial Navigation
"Step by step approach to understanding and practicing Celestial Navigation, that I truly enjoyed studying." — G.D., Starpath online"The course book and the supporting study materials were excellent and made it easy to understand and master the subject matter." — Bernd Ehrhardt, Starpath online"This is fun. Well written text: easy to read! I'm learning. Thanks." — Tom Maloney"I enjoy the course, and your text is among the best I've seen." — Bill Fallin"Your books are well written. Clear for beginner sailors and a good review for advanced sailors. Great work!" — Myles Jans, Starpath online"Your books are spectacular." — David O'Neal, Starpath Online"Very well written and easily understandable. As a bonus, your book made me interested in astronomy." — Per Tumlin, Starpath online"One of the other things I liked is the use of humor throughout the book. " — Trudy, Starpath online