This is a textbook titled “Course Design: A Guide to Curriculum Development for Teachers” by authors George J. Posner and Alan N. Rudnitsky. Published in 1998 by Longman, this 5th edition paperback book is designed for educators, focusing on the subject area of designing courses. With a focus on curriculum development, this book provides valuable insights and guidance for teachers looking to enhance their course design skills. Written in English, this textbook is a valuable resource for educators looking to improve their instructional strategies in the field of education.