Why Buddhism Is True
Robert Wright
Why your mind is wired to worry and overthink, and how meditation helps you step back from it. Not religious.
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Don't let the title put you off. This isn't about religion. Wright is a science writer, and he explains why our minds are wired to worry, overthink and react, and how meditation lets you step back and watch those feelings instead of being dragged around by them.
Why it helped me: it gave me a real insight into deeper meditation and the Buddhist way of looking at things. It brought calm and order into my head, and a few proper "oh, that's why I do that" moments.