Nagao, Tadahiko. Kokology 2 : more of the game of self-discovery / Tadahiko Nagao and Isamu Saito. - New York : Fireside, c2001. - 172 p. : ill. ; 18 cm. ISBN: 0743222121 Subjects--Topical Terms: Psychology. Dewey Class. No.: Cir 158 N131 2001 Bk.2