"Atomic Habits" by James Clear is an activity book aimed at adults that focuses on building good habits and breaking bad ones. Published by Penguin Publishing Group in 2018, this paperback book is 320 pages long and written in English. With a focus on self-improvement, psychology, and business & economics, the book covers topics such as personal growth, organizational behavior, and social psychology. Clear's insights on behaviorism and habit formation make this book a valuable resource for those looking to improve their daily routines and overall well-being.