| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The 6 Secrets to a Happy Retirement: How to Master the Transition of a Lifetime | 978-O-983762O-6-5 (O-983762O-6-6) | 2013 | Mark Singer · Erwin Allado · Kate Allado · Kurt Czarnowski · Sallie Felton · Dorian Mintzer · Roberta Taylor |