| title | ISBN-13 | year of publication |
|---|---|---|
| Background to Bible: Bk. 1 | 978-0-7175-0415-2 | |
| Background to Bible: Bk. 2 | 978-0-7175-0417-6 | |
| Background to Bible: Bk. 3 | 978-0-7175-0419-0 | |
| Background to Bible: Bk. 4 | 978-0-7175-0421-3 | |
| Background to Bible: Palestine of Jesus Bk. 3 | 978-0-7175-0418-3 | 1983 |
| Background to Bible: Patriarchs, Judges and Kings Bk. 1 | 978-0-7175-0414-5 | 1984 |
| Background to Bible: Prophets and Rulers Bk. 2 | 978-0-7175-0416-9 | 1985 |
| Background to Bible: Spreading the Gospel Bk. 4 | 978-0-7175-0420-6 | 1979 |
| The Path of Duty | 978-0-7175-0635-4 | 2000 |
| The Path of Healing | 978-0-7175-0636-1 | 2000 |
| The Path of Leadership | 978-0-7175-0637-8 | 2000 |
| The Path of Service | 978-0-7175-0634-7 | 2000 |