Jun'ichi Kowaka books & textbook
Hōshanō o fusegu chie : Shoku kurashi enerugī no hanashi
Tōkyō : Sangokan, 2011. /2011-07-01 Tankobon Softcover
isbn-10: 4883205320 / isbn-13: 9784883205325
Shokuji de kakaru shingata eiyō shitchō : Shiranaiuchi ni kakatteru
Tōkyō : Sangokan, 2010. /2010-12-01 Tankobon Softcover
isbn-10: 4883205215 / isbn-13: 9784883205219
Saishin taberuna kiken : sono fuchō no gen'in wa koko ni aru
Tōkyō : Gentōsha, 2013. /2013-01-01 Tankobon Hardcover
isbn-10: 4344023226 / isbn-13: 9784344023222
Kurashi no anzen hakusho.
Jun'ichi Kowaka; Yuichi Matsubara
unknown /1992-02-01 Tankobon Hardcover
isbn-10: 4313880283 / isbn-13: 9784313880283
Life defense Handbook food reviews (Kodansha plus alpha Novel) (2012) ISBN: 4062814625 [Japanese Import]
Jun'ichi Kowaka; Shokuhin To Kurashi No Anzen Kikin.;
Kodansha. /2012-02-01 Tankobon Hardcover
isbn-10: 4062814625 / isbn-13: 9784062814621