Thank you for viewing! Please also read the profile. "Latest 2025" added!! This is a set sale of the 2017, 2018, 2020, 2022, 2023, and 2025 baseball rules and player's manuals. This is a used item. It has been stored at home without being used, so there may be some scratches, but there is no problem with use. How about it for those who want to check past rules? In particular, 2023 is the year when the so-called "Ohtani Rule" was applied. Please purchase only if you understand.