| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2003 | 978-0-9740493-0-4 | Earl Avraham David | Code of the Heart |
| '' | 978-0-9740493-2-8 | '' | Code of the Heart |
| 2005 | 978-0-9740493-4-2 | '' | Code of the Heart |
| '' | 978-0-9740493-9-7 | Robert M. Haralick · Eliyahu Rips · Matityahu Glazerson | Torah Codes: A Glimpse into the Infinite |