Direct Gear Design, Hardcover by Kapelevich, Alexander L. The updated and improved Second Edition of Direct Gear Design describes a nonstandard gear design approach that makes it possible to significantly improve gear drive performance. This item is in the category "Books & Magazines\Books". The seller is "greatbookprices1" and is located in this country: US. This item can be shipped to North, South, or Latin America, all countries in Europe, Japan, Australia.