Navigate the waters easily with MapTechs 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. Includes one-minute latitude and longitude grids to make vessel positioning a breeze, and major navigation aids are identified with named GPS waypoints. Small-scale, wide area charts as well as large-scale, detailed charts of harbors and approaches make navigating easy. The Chart Page Index (on the front cover) and Go-To” page numbers make it simple to find the chart you want. Maptechs navigation editors add magnetic courses between major navigation aids with distances in nautical miles. Chartbooks are also designed to help you do the calculations yourself. Each page includes a compass rose with annual increase in variation and complete scale information. Key Features 12” x 17" Spiral-bound Chartbook opens up to 24” x 17” Complete chart coverage with large and small scale charts 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 Compass rose included on each page Annual increase in variation and complete scale information Covers miles of coastal beauty, including North Channel, Georgian Bay, west through the Straits of Mackinac, south to Sarnia, north to St. Joseph Island