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
A poignant, uplifting, heartbreaking love story from the beloved bestselling, Pulitzer Prize–winning author: "To read a novel by Anne Tyler is to fall in love
Many books on celestial navigation take shortcuts in explaining concepts; incorrect diagrams and discussion are often used for the sake of moving the student al
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