※If you choose convenience store/ATM payment, please be sure to contact us via the transaction message with your planned payment date and time after purchase.※ This is a book, a guide to chemistry in English. While there are no noticeable writings when flipped through, there may be some writings as it was used in lectures. Also, the name written on the top of the book has been blacked out with a marker, so please be aware of this (see photo 3).