I purchased this item used, but it was unused, so I don't see any stains or marks. I've only used it a few times since buying it, so there's no wear and tear. However, I've lost the red sheet, so it's not included. Please consider this only if you understand. This is an FP textbook compatible with videos and apps, with color illustrations to enhance learning. - Title: FP Textbook Level 3 - Edition: 2024/2025 Edition - Features: Video and App Compatible - Supplement: Includes color illustrations - Thickness: Approximately 1.5cm Thank you for looking.