Disclosure: This post contains affiliate links. I received this box for review. Next Big Idea Club is a book subscription box by some of the world’s leading thinkers: Malcolm Gladwell (The Tipping Point, Blink, Outliers), Susan Cain (Quiet: The Power of Introverts in a World that Can’t Stop Talking), Adam Grant (Give and Take, Originals), and Daniel H. Pink (Drive, To Sell Is Human).