I bought this because it was revised. There are no noticeable stains, but please understand that this is a used item. Please be aware that this is the 6th edition of the reference book. This is perfect for studying, including the official text and workbook for the Welfare Housing Environment Coordinator Level 2, along with a portfolio. - Title: Welfare Housing Environment Coordinator Level 2 Text & Workbook - Publisher: Seibido Publishing - Features: Supervised by the original official text creation committee - Accessories: With portfolio - ISBN: 978-4-415-25329-5 - Supplement: Welfare Housing Environment Coordinator Level 2 Text & Workbook Supplement