This year's edition of Fortune's 40 Under 40 list marks the fifth year of tracking and studying the likes of Mark Zuckerberg, Kevin Plank, and Meredith Whitney -- young stars (we affectionately call them zoomers) who took risks and won big. What do they have in common? How did they do it? We think we've gained some insight into the answer -- and now we're sharing it in Zoom: Surprising Ways to Supercharge Your Career, a new book of 27 never-before-published profiles of some of the biggest names from the pages of Fortune's 40 Under 40. Here we share just a few highlights. Are you ready to zoom?