The "Project Physics Text and Handbook 1 (Concepts of Motion)" is a softcover paperback book published in 1975 by authors Rutherford, Holton, and Watson. This test book focuses on the subject of physics, specifically concepts of motion. It serves as a comprehensive resource for students looking to deepen their understanding of physics principles and prepare for exams or assignments related to the subject. With a clear and informative format, this book is a valuable tool for anyone looking to enhance their knowledge of physics.