盗まれた暗号
Subtitle: Yamamoto Isoroku bōsatsu no shinsō
By: Edōwādo Rōā ; Toyoda Minoru yaku
Publisher: Mikasa Shobō
Published: 1979
Place of publication: Tōkyō
Language: jpn
Number of pages: 235
Other titles: Nusumareta angō
Work titles: Deadly magic