| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Nikt ich nie zamknie | 978-83-62715-06-0 (83-62715-06-5) | 2011 |
| Una puerta que nadie puede cerrar | 978-0-7899-1790-4 (0-7899-1790-4) | 2010 |
| Which None Can Shut: Remarkable True Stories of God's Miraculous Work in the Muslim World | 978-1-4143-3720-3 (1-4143-3720-5) | 2010 |
Editorial Unilit · KEFAS · Tyndale House Publishers, Inc.