| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Prodigal Project | 978-0-281-05250-9 (0-281-05250-6) | 2000 | Mark Pierson · Cathy Kirkpatrick |
| Threshold of the Future: Reforming the Church in the Post-Christian West | 978-0-281-05055-0 (0-281-05055-4) | 1998 | |
Maxwell Riddle · Michael R. · Michael Raidel · Michael Redhill · Michael Riedel · Michael Roedel · Michaela Riedl