I will also include the answer key and formula collection. There is writing only on the part shown in image 6. There are a few scratches on the surface (image 7). There may be some overlooked scratches or writing, but it's mostly clean as I haven't used it much. Please comment if you have any questions. Focus Gold Mathematics I + A 5th Edition Focus Gold Mathematics I + A Answer Key Focus SERIES Formula Collection Mathematics Textbook Math IA 1A Keirinkan Workbook