Set of 3 books: "Challenge to Build 'Reading Comprehension' Lessons: Achieving PISA Reading Comprehension at the Classroom Level!" "Challenge to Build 'Reading Comprehension' Lessons: Elementary School Grades 1 & 2" - No dog-ears, 2 highlights "Challenge to Build 'Reading Comprehension' Lessons: Elementary School Grades 3 & 4" - 1 dog-ear, 20 highlights, some writing "Challenge to Build 'Reading Comprehension' Lessons: Elementary School Grades 5 & 6" - 1 dog-ear, no highlights Since I only read them once, they look clean at first glance. However, they have been stored at home and are used, so please refrain from purchasing if you are concerned. TOSS Yoichi Mukoyama Hōsoku-ka (Law-based teaching method) Kyoshitsu 2-Way (Classroom 2-Way)