McGraw-Hill's HVAC Licensing Study Guide by Rex Miller and Mark R. Miller is a comprehensive textbook focused on the Mechanical, Technical & Manufacturing Industries & Trades, specifically in the areas of Heating, Ventilation & Air Conditioning. Published in 2007 by McGraw-Hill Professional Publishing, this study guide provides a detailed examination of the subject matter for those studying in the field. With a perfect binding and a total of 408 pages, this study guide is a valuable resource for individuals looking to deepen their knowledge in the HVAC industry.