This is a set of two books, "Strategies for Breaking Ranging Rook" and "Yagura Strategies," published by Ace Books in the Shogi Series. [Product Name] Shogi Series Ace Books: Strategies for Breaking Ranging Rook [Author] Tatsuya Futakami [Product Name] Shogi Series Ace Books: Yagura Strategies [Author] Michio Ariyoshi These books have been stored at home for a long time, but are in relatively good condition. However, there may be some sun damage or discoloration. Recommended for those who want to learn Shogi strategies. Thank you.