I kept this in storage without using it. It's still new, although there's a slight fold. (See the third image) If anyone would like to use it! "Z-Kai Grade Up Problem Collection: Elementary School 6th Grade: Anticipating Junior High School English" Z-Kai Editorial Department / Michihiko Ota Price: ¥1100 #Z-KaiEditorialDepartment #MichihikoOta #Michihiko_Ota #Book #Language/English