A set of problem books and commentaries specifically for learning classical Japanese and classical Chinese. - Title: Ren'sei Koten (Classical Japanese and Classical Chinese) - Publisher: Kobo Publishing - Series Name: 2+ plus - Related Materials: Koten Dokkai Learning Work - Downloadable Problems: Included - Format: Problem book - Language: Japanese - Commentary: Answer commentary to develop logical thinking skills There are markings in orange pen. Thank you for looking.