| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2009 | 978-0-9825081-0-7 | Cynthia Koelker | 101 Ways to Save Money on Healthcare |
| 2012 | 978-0-9825081-2-1 | Cynthia J. Koelker | Armageddon Medicine: How to Be Your Own Doctor... in 2012 and Beyond - An Instruction Manual |