Kozo's clear step-by-step instruction, descriptive drawings and crisp photos guides builders at all levels toward successful 3/4", 1", and 1 1/2" scale steam engines. Every single part of your engine can now be fabricated from raw stock, no castings are used. Directions for making each part, simply and correctly, often from materials you can pull out of your scrap box. His superb diametric drawings make fabricating some of the more difficult parts even more understandable. 224 Pages, Hardcover.