The Loose-Leaf Edition Understanding Business by William G. Nickels is a comprehensive textbook on business and economics, published by McGraw-Hill Education. This ringbound textbook, authored by Nickels, Susan McHugh, and Jim McHugh, covers various topics in the subject area of general business. With 736 pages and a publication year of 2021, this textbook is designed for students and professionals looking to deepen their understanding of business concepts in an accessible and informative manner.