Winning Science and Social Studies study guide set. There were a few pages with writing, which I erased with an eraser. There are 1-2 pages per subject with pen underlining. Please check the photos. I think these can still be used for exam preparation, etc. Thank you to those who understand that these are used books. - Title: Winning Science 3 - Title: Winning Social Studies 3 - Explanation/Answer Book: Explanation/Answer Book Winning 3 Thank you for looking.