| title | ISBN-13 | year of publication |
|---|---|---|
| Can We Talk: Sharing Your Faith in a Pre-Christian World | 978-0-687-08416-6 | 1999 |
| John Wesley: His Life & Theology | 978-0-310-36661-4 | 1982 |
| Mysticism in the Wesleyan Tradition | 978-0-310-75430-5 | 1990 |
| The Story of Evangelism: A History of the Witness to the Gospel | 978-0-687-35203-6 | 2006 |
G J · G. T. · J. T. · R.J. · R J T · R. J. Tuttle · R. T. · R. Tuttle · Robert G. · Robert G Tuttle · Robert J. · Robert T.