✔ This is a used complete collection of the book titled "Saikyo Shogi 21 Yagura Anaguma Weak Points Book," part of the "Zenshu Sōsho" series. The author, Akihito Hirose, a prominent professional shogi player born in 1987, shares insights gained from extensive experience, including challenging for the Oi title and defeating top-ranked players.
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