【Product Contents】 This is a valuable set that is useful for a wide range of practical applications, including real estate investment and management, new construction, renovations, measures for vacant properties, and the operation of party spaces! The regular price is approximately 100,000 to 120,000 yen, but it is offered at the exceptionally low price of about 370 yen per book, which is a bargain for professional books! 【Product Condition】 Overall, there are no noticeable stains or scratches, but the five books in image 2 have some stains, dirt, folds, and writing. Please refer to each image for details. 【Shipping】 We will pack the items in a 120-size cardboard box to prevent water damage and ship them within the specified period. ※This product cannot be sold separately. Thank you for your understanding.