Paperback
ISBN: 978-99954-813-6-0
ISBN-10: 99954-813-6-7
Bantam Books ยท 1989
| See also (possibly by other authors): | ||
| 2009 | Hardcover | The Greatest Secret in the World (New Edition, 2009) |
| 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 |