The classic manual covering all aspects of seafaring operations for professional mariners and aspiring sailors.

Merchant Marine Officers' Handbook, first issued in 1942, is designed to be used as a textbook or a study guide for the "hawsepiper" -an unlicensed merchant seaman. The twenty-five chapters contain information on electronics, celestial navigation, rules of the road, engineering, etc., that will be helpful to the third mate, experienced mariner, or student preparing for a licensing examination.