This is a book for fifth graders that allows you to memorize math, Japanese, science, social studies, and English in 5 minutes. - Title: 5-Minute Memorization Book for 5th Grade - Publisher: Gakken - Price: 900 yen (excluding tax) - Target Grade Level: 5th Grade - Contents: Math, Japanese, Science, Social Studies, English I purchased this several years ago, but it has been stored at home with almost no use. Please understand that this is a home-stored item before purchasing. Thank you for looking.