"The Complete On-Board Celestial Navigator combines all the tables and almanac data needed for navigation at sea in one compact, durable book!

Specifically designed for the occasional, unpracticed celestial navigator, this single convenient book contains all the essential tables, astronomical data, and explanations for predicting and reducing observations made at sea, to find your position and bearing quickly and easily in a pinch:

It also provides numerical examples to illustrate the methods and tables described.

Everything you need but the sextant.

Still a source of pride and respect, the ancient skill of celestial navigation has reliably guided seafarers for centuries. When voyaging far beyond landmarks, when your electronic navigation fails, "steering by the stars" can guide you safely to your destination.