This book is written for the young who want to prepare for a technical career or others who may want to broaden their horizons. It is written in an easy to understand step-by-step style and contains more pages of illustrative examples than pages of text enabling the reader to better understand the subject matter. At the end is a twenty question quiz should this book be used for class room study or for the challenge or enjoyment of other readers. A wide range of engineering topics are discussed starting with fundamental issues such as engineering materials, drawings, fasteners, couplings, belts, and pulleys. It then provides more in depth discussions on gears, bearings, shafts, and automotive power transmission. It concludes with a discussion on engineering patents featuring an example of an actual automotive patent application submitted by the author and approved by the U.S. Patent Office.