Yotsuya Otsuka Yoshu Series (Preparation Series) Japanese Language 4th Grade - Volumes 1 & 2 With Answers and Explanations 1800 yen + tax per book Used for home study. Volume 1 has some pencil markings, which have been erased. Volume 2 has some markings and underlining with color pens on a few pages. There were also some pencil markings, which have been erased. Please forgive any remaining marks. Covers are stained and sun-faded (especially the "Answers and Explanations" book). The explanations are easy to understand and can be used for home study. Recommended for those who want to see what the Yoshu Series is like. Please purchase if you understand that this is a used item, has been inspected by an amateur, and has been stored at home.