The first book ever to reveal what boat builders pay thousands of dollars to learn: the secrets of owner satisfaction What makes a boat owner happy? Eric Sorensen and J. D. Power & Associates answer that question in detail in this revised edition of Sorensen’s Guide to Powerboats. Now incorporating results from J. D. Powers’ Boat Competitive Information Study, this guide tells you everything you need to know before opening your wallet. From runabouts and pontoons to express cruisers and bassboats, the book covers it all, explaining the implications of different hull designs, construction methods, engine technologies, and more. Includes J. D. Power's "Power Circle" rankings.