Atomic Habits by James Clear is a comprehensive, practical guide on how to change your habits and get 1% better every day. Using a framework called the Four Laws of Behavior Change, Atomic Habits teaches readers a simple set of rules for creating good habits and breaking bad ones. Read the full summary to glean 3 key lessons from Atomic Habits, learn how to build a habit in 4 simple steps, and get a handy reference guide for the strategies recommended throughout the book.