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by Og MandinoHardcover details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-0-88391-181-5 ISBN-10: 0-88391-181-7 |
| See also: | ||
| 1997 | Mass Market Paperback | The Greatest Secret in the World |
| 1997 | Audio Cassette | The Greatest Secret in the World |
| 1995 | Hardcover | The Greatest Secret in the World: 1995 Edition |