Shogi Books on Fourth-File Rook (Yonenbisha), 12-book set. - Title: How to Play Fourth-File Rook 1, 2, 3 - Author: Takeshi Fujii - Title: How to Improve at Fourth-File Rook - Author: Takeshi Fujii - Title: The Essentials of Fourth-File Rook 1 - Author: Takeshi Fujii - Title: The Essentials of Fourth-File Rook Anaguma 2 - Author: Akihito Hirose - Title: Daisuke Suzuki's Shogi: Fourth-File Rook - Author: Daisuke Suzuki - Title: Understanding Fourth-File Rook - Author: Yuki Fujikura - Title: Fourth-File Rook's Counterattack - Author: Kentaro Ishii - Title: Tips for Winning with Fourth-File Rook - Author: Takehiro Ohira - Title: 15 Common Sense Rules for Winning with Fourth-File Rook - Author: Yuya Nagaoka - Title: Understanding Fourth-File Rook - Author: Hideyuki Takano Instant purchase OK. Please feel free to ask if you have any questions.