The book titled "Engineering for the Amateur Aircraft Builder" by Raoul J. Hoffman, published in 1970 by Experimental Aircraft Association, is a paperback guide aimed at amateur aircraft builders. It delves into the engineering principles and techniques necessary for constructing airplanes, making it a valuable resource for individuals interested in aircraft construction. With a focus on transportation, specifically airplanes, this book provides comprehensive insights and knowledge for enthusiasts looking to delve into the world of aircraft building.