The “Understanding by Design Guide to Creating High-Quality Units” is a professional development textbook written by Jay McTighe and Grant Wiggins. Published by Cengage Heinle in 2011, this trade paperback covers subjects like education, psychology, and cognitive psychology. It provides insights into creating effective curricula and understanding different learning styles. With 122 pages and a compact size of 11 inches in length and 8.5 inches in width, this book is a valuable resource for educators looking to enhance their teaching strategies and improve student outcomes.