Both Nicholls Concise Guide Volumes I & II are officially recommended by the Merchant Navy Training Board, and form the most up-to-date survey of the Science of Navigation in print. Bibliographic NotesVol. 1."The standard work on navigation.. . " ... revised and rewritten by Edward Coolen.Since 1900, Nicholls's Concise Guide has been widely regarded as the standard text on navigation-'The Navigator's Bible'.Nicholls's has gone through some nine editions and countless re-prints. It is known by professionals and serious amateurs throughout the English speaking world--and beyond.Continuing demand has resulted in this enlarged and greatly improved "85th Anniversary Edition", the 10th since 1902. This new 'anniversary' edition includes a host of new features including special additions for yachtmasters, divers and consultants.Nicholls's has gone through some nine editions and countless re-prints. It is known by professionals and serious amateurs throughout the English speaking world--and beyond.Continuing demand has resulted in this enlarged and greatly improved "85th Anniversary Edition", the 10th since 1902. This new 'anniversary' edition includes a host of new features including special additions for yachtmasters, divers and consultants.