Waseda University (School of Social Sciences) 2024, 5 Years Waseda University (School of Social Sciences) 2019, 6 Years Kyogakusha The 2019 cover has a crease, but as shown in photos 5, 6, and 7, there are no creases in the question booklet itself, so it can be used without any problems. There are no markings in either book. If you would like to purchase them separately, please let me know! A total of 11 years: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.