I read it once and then stored it on the bookshelf. Please note that there may be some scratches or marks. Instant purchase is welcome ◎ [Content Introduction] This book introduces how to cultivate a happy mindset through 100 challenges that can be practiced in daily life. Each challenge can be completed in a short amount of time, so even busy people can easily start. [About the Author] The author, Mayune, is a popular self-help writer with over 1 million followers on social media. Her practical approach is supported by many readers. [Features] This book is packed with easy-to-incorporate ideas, from simple challenges that can be done in 10 seconds. It shows concrete steps to improve your own mental well-being. - Title: 100 Challenges to Create a Happy Mindset - Author: Mayune - Genre: Self-help - Publisher: KADOKAWA - Language: Japanese