J. L. · J. Llewellyn · Jack H. Llewellyn · Jack L.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Coming in First: Twelve Keys to Being a Winner Every Day | 978-1-56352-630-5 (1-56352-630-1) | 2000 |
| Winning Sure Beats Losing: & Here's What You Can Do About It | 978-1-56352-724-1 (1-56352-724-3) | 2003 |