This is a set of support books useful as study guides. 5 Subject Question Collection For high school entrance exams (2024) Price for a set of 5 books. These were purchased at a cram school for the high school entrance exam. It seems they were never used, so there are no markings. As shown in the third image, the back of the English question book is dirty. The other question books also have some scuffs, but the inside is in good condition. Although unused, they are listed as having some scratches and dirt due to the stains. Please purchase only if you understand that these have been stored at home. Instant purchase is OK.