The 9th Edition of "Psychology Applied to Teaching" by Robert F. Biehler and Jack Snowman is a comprehensive textbook focused on educational psychology. Published by Cengage Learning in 1999, this book covers various topics relevant to teaching and learning in an engaging and informative manner. With a total of 570 pages, this edition is designed for advanced and intermediate-level students seeking a deeper understanding of psychological principles in the context of teaching and education. The authors provide valuable insights into the subject area, making this textbook a valuable resource for those interested in the application of psychology to teaching and learning.