Both books have had pencil markings erased. The 2023 edition is in good condition with no creasing. The 2020 edition has some creasing, but no other damage. Combined with this year's edition, you'll have nine years' worth of problems. Please use them to supplement your past exam questions. Niigata University, Humanities, 2023, 2020, Kyogakusha, Akahon (Red Book)