Kaizen" is a tool, originally used by Toyota, to promote continuous improvement in its production system. It is currently used all over the world by various organizations that have adapted it to their needs and customs. An approach in the public sector can be considered novel and innovative, even more so when methodologies and guidelines are defined that contribute to the improvement of this type of organizations as in the case of this book.The title of the book "Kaizen Model for efficiency in public institutions in Ecuador" is highly suggestive. After reading it, it is evident that the combination of knowledge to which the authors are dedicated in their research and teaching work has been key to produce a book that is useful for those interested in public management, as well as quality management and productivity.The authors materialize in this work their extensive experience in different public institutions in which they were able to identify efficiency problems that affected productivity, as well as the quality of care and services to citizens, the raison d'être of this type of organizations.