University Entrance Common Test Prep Check & Exercise Chemistry 2022, published by Suken Shuppan, with answer key - Title: Check & Exercise Chemistry 2022 - Publisher: Suken Shuppan - Publication Year: 2022 - ISBN: 978-4-410-72427-7 There is one instance of highlighting with a highlighter pen in the main text, and highlighting with a highlighter pen and red pen on 4 pages of the separate volume. I apologize if I missed anything. Also, there is writing in pencil in Chapter 8, Section 3, and although I erased the parts I noticed, there are eraser marks. There are scratches, folds, and small stains from storage. Please understand that this is a used item stored at home before purchasing. *Common Test prep problem sets for mathematics are also on sale! If you purchase multiple items, I will deduct the shipping cost.