Bonnie Dahl is the acknowledged expert on navigating Lake Superior - whether in Bayfield or on the isolated north shore. Known as the bible for boating on Lake Superior, the entire book was updated during Bonnie's recent travels. This is a must for all vessels and trip planning. Wilderness charts, harbor maps and complete GPS information. Easy-to-use spiralbound format. 448 pages, color and black-and-white photographs, diagrams, 6 1/4" x 9 1/4," spiralbound. Pub 2008.