Yotsuya Otsuka Prep Series 5th Grade Volumes 1 & 2 Social Studies & Science These are from 2024. They were used for exams. The Social Studies Prep Series has lines on pages like page 8. The Science Prep Series also has some lines. There is some writing in the Practice Problem Books and Weekly Test Problem Books. The answer sheets that were included with the Practice Problem Books and Weekly Test Problem Books are not present. Names are written on the back of all items, so they will be blacked out before shipping.