Atomic Habits: An Easy and Proven Way to Build Good Habits and Break Bad Ones by James Clear

People think when you want to change your life, you need to think big. But world-renowned habits expert James Clear has discovered another way. He knows that real change comes from the compound effect of hundreds of small decisions ? doing two push-ups a day, waking up five minutes early, or holding a single short phone call.

He calls them atomic habits.