| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Doomsday: The Survivor’s Guide | 978-0-00-274039-5 | 1999 | |
| Ex Machina 2 | 978-0-551-03099-2 | 1997 | |
| The Relational Manager: Transform Your Workplace and Your Life | 978-0-7459-5368-7 | 2009 | Michael Schluter |
| The R Option: Building Relationships as a Better Way of Life | 978-0-9543879-0-7 | 2002 | Michael Schluter · Michael Schulter |
D. J. · D.J. Lee · D. John Lee · D. Lee · David J. · David J. Lee · David John · David L. · David Lee · J. L. · J. Lee · John L. · John Lee
HarperCollins · Lion Books · Marshall Pickering · Relationships Foundation