G.S. · G. Spencer · Gregory S.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Awakening the Quieter Virtues | 978-0-8308-3735-9 (0-8308-3735-3) | 2010 |
| Guardian of the Veil: A Three-Dimensional Tale | 978-1-4165-4341-1 (1-4165-4341-4) | 2007 |
| The Welkening: A Three Dimensional Tale | 978-1-58229-355-4 (1-58229-355-4) | 2004 |
Howard Books · InterVarsity Press · Simon & Schuster