Surveying Fiberglass Sailboats by Henry C Mustin A step by step guide for buyers and owners. In this book Mustin explains what to watch for in a used sailboat from each era, and how to ferret out the hidden defects in any boat. He shows how to estimate the cost of repairs and the value of a boat. He also answers the question When is a fiberglass boat too used up to save? 166 pages, 75 illustrations.