Depends on how you want to approach it. Either you want something existentialist, which gives characters in similar scenarios and how they cope and come to terms with these issues, or you want something inspirational to help you while you find your own way. Either way, my friend, I hope you find your way out.
Try the people who have been driven in life, the google story about Brin and Page, Apple and Steve Jobs, Even a book called Mr Nice, about a guy who became an international drug dealer only to fall into his product. A singular perspective, with a goal of simplicity is a common theme. People tend to over complicate and confuse things, ultimately caring with them a lot of unnecessary things leading to an existential crisis.
Narrowing perspective is what I'm researching now. 5S work Methods [link] Defrag Mind [link]