Book of navigation exercises - A companion to the bestselling manual The RYA Book of Navigation. It provides practice questions and answers at both Day Skipper and Coastal Skipper/ Yachtmaster levels. Written by the RYA staff who actually compile the papers, these exercises provide an invaluable backup for all wishing to brush up their knowledge of navigation and seamanship. An RYA practice chart is included together with all relevant almanac extracts etc.