"Elementary and Middle School Mathematics: Teaching Developmentally (10th Edition)" is a comprehensive textbook published by Pearson Education in 2018. Authored by Jennifer Bay-Williams, Karen Karp, and John Van De Walle, the book focuses on professional development and teaching methods in mathematics for elementary and middle school educators. With a total of 720 pages, this trade paperback provides valuable insights and strategies for enhancing math education in a developmentally appropriate manner. Written in English and measuring 10.8 inches in length, 8.5 inches in width, and 1.1 inches in height, this textbook is a valuable resource for educators looking to improve their teaching practices in mathematics.