The “Professional Development Ser.: Understanding by Design” by Jay McTighe and Grant Wiggins is a trade paperback textbook published by Cengage Heinle in 2005. This educational psychology book focuses on the subjects of Professional Development, Curricula, Cognitive Psychology & Cognition, Learning Styles, and Teaching Methods & Materials. With 370 pages, this textbook offers valuable insights and strategies for educators looking to enhance their teaching methods and materials.