Other ISBN range for CPO: CPO (978-3-935840-...) - German
| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2007 | 978-1-934314-00-5 | Eyewitness to American History | |
| 2008 | 978-1-934314-30-2 | Paul Case | What Now?: How Teen Therapeutic Programs Could Save Your Troubled Child |
| '' | 978-1-934314-33-3 | Cpo | Busy Mom Planner: A Weekly Organizer for Moms on the Move |