i-Work Junior High School Year 1 Science i-Work Plus Junior High School Year 1 Science Set Keirinkan Purchased at a cram school 3 years ago. No writing inside. Name written on the back cover of the answer/explanation booklet and the back cover of i-Work Plus, which has been blacked out with a marker. How about it for daily preparation and review, unit tests, and regular test study? Rakuraku Mercari Delivery ↔︎ Yuuyu Mercari Delivery May be changed. #iWork #iWorkPlus #iwork #iworkplus #aiwork #JuniorHighSchoolYear1Science #JuniorHighSchoolYear1ScienceWorkbook #JuniorHighSchoolYear1ScienceTextbook