The second edition of this book seeks to provide the reader with the key principles of patient safety. The book has 3 main sections including the introduction and foundation, a section on the types of errors and case studies, and finally a section on the various prevention strategies. The book addresses key topics such as the impact of information technology on safety, measuring safety, the usefulness of checklists, the balance of “no blame” and professional accountability, safety targets, and policy issues. Understanding Patient Safety is of value for all members of the health care team seeking to improve the culture of safety in their environment. This book is available in the AACN Bookstore.