A set of books useful for business and self-improvement. - Title: Don't Waste Your 30s - Title: Rules from Age 33 - Title: The Power of Habits to Change Yourself - Title: Manga Guide to the 7 Habits ① - Title: Manga Guide to the 7 Habits ② - Title: How to Create Habits That Change Your Life - Title: Superb Conversational Skills - Title: Super Concentration to Control Yourself - Title: G+PDCA Study Method - Title: Amazing Morning Time Techniques - Title: How to Convey 90% Thank you for viewing. Some of the books have markings made with erasable markers (Frixion). The books themselves are in very good condition. Thank you very much. #Self-Improvement #Business