Atomic Habits by James Clear is a non-fiction book in paperback format published by Penguin. It falls under the genre of self-help and personal development, with a focus on habits and how to make positive changes in one's life. The book offers valuable insights and strategies for improving one's habits and overall well-being, making it a practical and inspiring read for anyone seeking to make positive changes in their life. Perfect for those interested in personal growth and self-improvement.