There are many books about self-sufficiency. They are all in class from emotional, mental illnesses and even spiritual classes. Indeed, the majority of books published today have a lot to do with self-esteem in some places, especially non-fictional books. In fact, our lives revolve around self-sufficiency. It is important in our lives that we are always improving on some aspects of our lives.
There are tons of self-restraining books that deal with issues like recovering from offensive relationships, increasing your self-esteem, learning to accept yourself as you are, etc. It is one thing that is confirmed that if you do not have a good relationship with you, you are not going to have a good relationship with anyone.
A lot of self-help books in class deal with psychology. Psychology provides insight into the means of human mind and how it works. It shows theories of how the brain develops through childhood in adulthood. It also provides insights into various mental disorders.
Some of the previous recommendations about self-sufficiency were in the form of religion. There were / are many religions who have / have their faith about everything including how the world was founded and how the world will end. Many of them have rules on how to live peacefully and productively.
One book that contains a lot of advice about personal growth is the Bible. It's a very misunderstood book because very few understand it. Many prominent leaders damage it and blame wrong messages. But throughout the Bible, you teach yourself how to live high performance and what to focus on to have a peaceful soul.
Every book that has to do with personality, diet, fitness, relationships, parenting, learning, business, is part of a personal growth / self-improvement class. Each of them has its own set of equations that may not work for all, but there is a set of equations for all.