Business book for self-improvement, readable from age 13. - Title: The 7 Habits of Highly Effective People - Author: Stephen R. Covey - Price: 1300 yen - ISBN: 978-4-284-20470-5 - Content: Lessons for self-improvement - Target age: 13 and up - Features: Influential as a business book Very easy to understand with illustrations. Recommended for elementary and junior high school students, as it says it's readable from age 13. Read a few times. No writing or folds, and in overall clean condition. (※With obi) For those who understand it's a home-stored, used item, thank you. Will be shipped with waterproof packaging. Instant purchase OK. Thank you for viewing.