If you are looking to get better at something and improve yourself, then you are probably reading self-help books like Learn, Improve, Master. While I'm not sure that any of the ideas that are presented here are unique, they are presented in a very readable way that is easy to understand. And for me, that's really what I look for in a self-help book. I need something that I want to read and makes what I want to learn sound easy.
In the case of Learn, Improve, Master, I appreciate that we are told that being good at something really doesn't happen overnight. It takes work and always looking for more and different ways to improve and stay great. You can't rest on your laurels and need to be a life-long learner. This takes a willingness and dedication to whatever it is that you want to do. This is my biggest take-away from the book. Again, not really a unique idea, but it is presented very well.