The "Loose Leaf for McGraw-Hill's Taxation of Individuals and Business Entities 2021" is a comprehensive textbook authored by Troy Lewis, John A. Barrick, Benjamin C. Ayers, John Robinson, and Brian C. Spilker. Published by McGraw-Hill Education in 2020, this ringbound textbook covers the subject area of business and economics, specifically focusing on taxation. With 1216 pages, this textbook is designed for students and professionals looking to deepen their understanding of taxation principles and practices. Written in English, this textbook is a valuable resource for those interested in the field of taxation.