The "Four Agreements: A Practical Guide to Personal Freedom" by Don Miguel Ruiz is a self-help book that focuses on personal growth and happiness. It is part of the Toltec Wisdom Book Series and was originally written in English. Published in 1997 by Penguin Publishing Group, this trade paperback book delves into spiritual topics and offers insights on improving one's personality and overall well-being. With 160 pages, this book is intended for adult readers looking to explore new thought ideas and practices for personal development.