Master the sextant in simple steps by Tom Cunliffe.

The 2019 edition of the Principles of Navigation

This book provides instructions both in the principals of navigation and in the way to use, with speed and accuracy, all the various techniques involved in putting those principals into practice.

This publication enables Master Mariners to keep up to date with modern innovations affecting safe passage throughout the maritime environment.

Written in plain English with numerous worked examples and exercises, this boxed set covers everything you need to know about the navigation syllabus at OOW level.

This new edition has been updated with the 2016 changes to the COLREGS.