'Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-Class Performers' by Tim Ferriss
If you've ever listened to The Tim Ferriss Show podcast, you've probably come away from it with more productivity and lifestyle hacks than you ever knew what to do with.
Host Tim Ferriss's book, Tools of Titans, distills the wisdom from many of his esteemed guests (which include celebrities, therapists, product designers, and athletes) into digestible and actionable form. Ferriss doesn't just take this advice at its word — he tests them out himself and only endorses methods that he has proven to be worthwhile.
Whether you're a manager, or hoping to be one someday, this book is the perfect starting point to kickstart your most optimized life yet.