- 仏教入門―これだけは知っておきたい仏教の知識
- Heart of "Mandala" (Mass Market Paperback) (1998) ISBN: 4101352143 [Japanese Import]
- Mandala life theory <on> (Mass Market Paperback) (1995) ISBN: 4101352127 [Japanese Import]
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- Mandala life Theory <under> (Mass Market Paperback) (1995) ISBN: 4101352135 [Japanese Import]