| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Can We Talk: Sharing Your Faith in a Pre-Christian World | 978-0-687-08416-6 (0-687-08416-4) | 1999 |
| The Story of Evangelism: A History of the Witness to the Gospel | 978-0-687-35203-6 (0-687-35203-7) | 2006 |
G. T. · J. G. · J R · J. Robert · J. T. · R. T. · R. Tuttle · Robert G. · Robert G Tuttle · Robert G. Tuttle Jr. · Robert T.