Mainichi Communications, Akira Shima, First edition, October 10, 1994 Joseki and Study of Kakugawari Koshikake Gin, and Practical Application. A 500-page essay written by a rising A-class 8-dan professional, detailing the trial and error leading up to the latest forms. This book was first published in 1994. It shows signs of yellowing and spotting.