Navigate the waters easily with Richardsons Waterproof Chartbook and Cruising Guide for complete chart coverage. Constructed from waterproof, tear-resistant synthetic paper that will withstand the elements, this Chartbook is spiral bounded and organized by cruising region, ideal for day sailors, fishing boats and trailer boats. With GPS waypoints and latitude/longitude grids for your GPS along with detailed coverage of popular areas and fishing spots, this Chartbook is a great companion on any boat. Key Features 12” x 18" Spiral-bound Chartbook Complete chart coverage Waterproof, synthetic pages and binding Cruising facility information (located on charts) GPS waypoint labels on chart pages Detailed index Additional latitude and longitude grid lines on most harbor charts Includes fishing sports with GPS latitude and longitude