1956-, Hayakawa Publishing "Nanatsu no Tokei"
- Hayakawa Pocket Mystery, 1956
- Hayakawa Mystery, 1981, 19th 1997
- Hayakawa Christie Collection, 2004
1963-, Tokyo Sogen-sha "Nanatsu no DIAL"
- Sogen Suiri-bunko, 1963, 26th 1975
- Sogen Suiri-bunko
1986-, Shincho-sha "Nanatsu no Tokei Satsujin-jiken"
- Shincho-bunko, 1986
for Kids
- Chugakusei-Kessaku-bunko, 1959
- Tsuru-shobo, set with 'The Secret Adversary'