| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1994 | 978-0-932201-03-4 | Steven L. Weinberg | Ramtha |
| 1986 | 978-0-932201-11-9 | Steven L. Weinberg | Ramtha |
| 1987 | 978-0-932201-58-4 | Ramatha · Ramtha · J. Z. Knight | Ramtha Intensive: Soulmates |
| 1988 | 978-0-932201-76-8 | Ramtha | Ramtha: An Introduction |
| 1987 | 978-0-932201-99-7 | J. Z. Knight | Ramtha Intensive: Change the Days to Come (Ramtha intensive series) |