※ If you choose to pay at a convenience store/ATM, please be sure to inform us of your planned payment date and time via the transaction message after your purchase. ※ This is a handbook on chemistry English. From a quick flip-through, there are no noticeable markings, but there may be some minor writing as it was used in lectures. Also, the name on the top of the book has been blacked out with a marker, please be aware of this (see photo 3).