| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| How Come It's Taking Me so Long?: Steps to Spiritual Maturity | Paperback | 978-0-8423-1491-6 (0-8423-1491-1) | 1975 |
| How Come It's Taking Me So Long to Get Better? | " | 978-0-8423-1507-4 (0-8423-1507-1) | 1977 |
| How Come It's Taking Me So Long to Get Better? | Hardcover | 978-0-8423-1511-1 (0-8423-1511-X) | 1975 |