A set of self-help books. - Author: Hisato Taguchi - Author: Shinya Hagino - Author: Mayumi Arikawa - Title: How Successful People Think - Title: How to Take a Break Without Overdoing It - Title: Tomorrow Will Surely Be a Good Day - Title: You Can Be Happy If You Stop Being a Good Child - Title: How to Grasp Connections - Title: People Who Are Fun to Be With and People Who Are Exhausting This is a set of 6 books. Thank you for viewing.