“I wanted to write the kind of book that I like to read, a big, meaty book that you don’t just read and toss aside, but that you use as a reference for a long time, maybe keep on your coffee table,” Greenfield says.

Greenfield’s goal with this book was to share his best tips for how to improve your energy in every sense of the word. At 640 pages, it’s a hefty book with a higher price to match. For those looking for true and tested advice, though, it’s a treasure trove well worth the price tag.



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