Welcome to Defender Canada! 
Maptech Waterproof Chartbook Item # 1753626
Description
Offers full-color charts on waterproof, tear-resistant pages. Easy-to-use format includes GPS waypoints, pre-plotted courses.
Specifications:
- Cape Cod Canal to Casco Bay
- 250 marinas
- 31 chart pages
- Narragansett Bay to Cuttyhunk and Block Island
- 200 marinas
- 19 chart pages