Chart Number One is essential to correct and accurate use of nautical charts. More than a chart, it is a book that defines the symbols, abbreviations and terms used on charts. It also provides important information about buoys, light visibility (range) and aids to navigation. This new and improved edition from Paradise Cay is a complete and accurate high quality reproduction of information provided by NOAA and NIMA.NIMA Staff is the author of 'Chart No. 1 Symbols, Abbreviations and Terms' with ISBN 9780939837564 and ISBN 0939837560.