Reference book for deepening logical thinking in Japanese. - Title: Ronri Kokugo (Logical Japanese) - Publisher: Chikuma Shobo - Language: Japanese - ISBN: 978-4-8090-0060-7 Thank you for looking. This was used by my child. There was a name written inside, so I erased it with a marker and put a sticker over it. There are no other writings inside. (I apologize if I missed anything.) There are no smokers or pets in this household. I am sorry, but I cannot accept price reductions for individual items. I will not reply to comments requesting price reductions for individual items. If you wish to purchase multiple items, please leave a comment.