Long Term Almanac 2000-2050, By Geoffrey Kolbe

Modern Marine Weather : From Time-honored Traditional Knowledge to the Latest Technology, by David Burch.

Fundamentals of Kayak Navigation, by David Burch.

Celestial Navigation : A Complete Home Study Course, Second Edition, Hardcover, by David Burch.

Celestial Navigation : A Complete Home Study Course, Second Edition, by David Burch.

Navigation Workbook 18465 Tr : For Power-Driven and Sailing Vessels, by David Burch.

Inland and Coastal Navigation : For Power-driven and Sailing Vessels, 2nd Edition, by David Burch.

Long Term Almanac 2000-2050, by Geoffrey Kolbe.

How to Use Plastic Sextants : With Applications to Metal Sextants and a Review of Sextant Piloting, by David Burch.

Long Term Almanac 2000-2050, by Geoffrey Kolbe.

How to Use Plastic Sextants : With Applications to Metal Sextants and a Review of Sextant Piloting, by David Burch.