A set of shogi books. * Hanyu's Brain * The Reason for the Drastic Decrease in Fourth-File Rook Openings * Quick Attack in Yagura and Left Mino * 5-Move Checkmate Handbook 2 * Yoshiharu Habu: The Changing Modern Shogi * What's Wrong with Amateur Shogi! * The Z Rule: Absolutely No Checkmate I think these are masterpieces and valuable books. The condition varies, but there are no particularly bad ones, and I think they are in good condition for normal use.