Social studies textbook for 3rd grade junior high school students. - Title: i-Work+ 3rd Grade Social Studies - Title: i-Work+ 3rd Grade Social Studies Thank you for viewing. 3rd Grade Junior High School Social Studies i-Work+ (Plus) Unused. I purchased this as a cram school textbook, but I didn't use it, so there are no writings, folds, or stains. Recommended for regular test preparation and entrance exam preparation. Since it's been stored at home, there may be some scratches on the cover. Please purchase only if you understand this.