Celestial Navigation: A Complete Home Study Course, Second Edition, Hardcover: Burch, David, Burch, Tobias: 9780914025511: Amazon.com: Books
Self-Taught Navigation - Ten Easy Steps to Master Celestial Navigation,: Kittredge, Robert Yates: 9780873580496: Amazon.com: Books
Practical Guide to Celestial Navigation, The: Step-by-step instructions for when you've lost the plot: Somerville, Phil: 9781472987587: Amazon.com: Books