For the 2019 academic year. Purchased used, so there are markings and highlighting. (Images 3 and 4) There is highlighting on the science and Japanese pages as well. There is a crease on the cover. (Image 2) The separate answer sheets have been detached. There is a feeling of use, so please purchase only if you understand. Due to the thickness and weight, we cannot offer a discount for combining two books. Please consult us for three or more books.