These books were written as consultation books to be used to solve problems. They are essentially analogous to medical books for individuals who decided to manage the concepts and fundamentals of things in order to manage the root causes of problems.
Here you will find all the fundamentals you need to manage when solving structural problems in businesses. It is usable by all those who can see organizations as entities with independent life from their members. It requires dealing with the needs of shareholders, stakeholders and the markets and considering these agents as interdependent entities.