Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Metal Boats, Third Edition

This third edition compares in more detail the choices of boats and materials, steel, alluminium and copper-nickel, suitable designs for sail and powerboats, building from plans or pre-cut kits, corrosion prevention, mechanical and electrical installations and much, much more. It comes with a bonus CD of sample study plans and many photos of boats in build. It is essential reading/reference for anyone who owns, intends to own, is building, thinking of building or just plain interested in metal boats. A 'must have' book!