The "Paradigm This" book series are going to be an awesome collections to have in the future. The plan is to publish one every two months. As a relaxation material, it will urge you, periodically to go search in Google for other clarifications.
Stuff is all about idioms, phrases, and expressions we use everyday. About 25,000 of them online (Shakespeare alone gave us about 2,000 of them), scattered everywhere. The intent here is group and analyze a few for practical use. Enjoy.