Read what the the U.S. Power Squadron and the U.S. Coast Guard trust as the definitive authority on electronic navigation, now updated with the latest electroni

This book has been used for 30 years, updated periodically as needed. More than 20,000 students have successfully learned ocean navigation from these materials

This new edition includes a discussion of theories about traditional methods of navigation developed during recent decades, the story of the renaissance of star

A clue hidden in a toy ship leads Tintin on a dangerous treasure hunt.

The 12th edition of this bestselling book is proof of the success of Mary Blewitt's concise and clear style in explaining a particularly difficult skill, and it