| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Lost and Found | Paperback | 978-0-07-144503-0 | 2004 | |
| Lost and Found: The 23 Things You Can Do to Find Personal Freedom | Hardcover | 978-0-07-140862-2 | 2003 | Barry Lenson |
| Make Your Life Count | " | 978-0-06-061300-6 | 1990 | |
| Simple Steps: 10 Things You Can Do to Create an Exceptional Life | Paperback | 978-0-07-140791-5 | 2002 | Barry Lenson |
| Simple Steps: 10 Things You Can Do to Create an Exceptional Life | Textbook Binding | 978-0-07-134797-6 | 1999 | " |
| SIMPLE STEPS | Paperback | 978-0-07-147295-1 | 2006 | |