Electrical Transformers and Rotating Machines, fourth edition authored by Stephen L. Herman and published by Delmar Cengage Learning in 2016. It is a revised edition with 624 pages focusing on Technology & Engineering and Education subjects, particularly in the areas of Construction/Electrical and Teaching Methods & Materials. The textbook covers topics related to electrical transformers and rotating machines, written in English and in a trade paperback format. It is 1 inch thick, with dimensions of 9.1 inches in height, 7.3 inches in width, and weighing 35.2 ounces.