| title | ISBN-13 | year of publication |
|---|---|---|
| Caring for Your Aging Cat: A Quality-of-Life Guide for Your Cat's Senior Years | 978-1-4027-2613-2 | 2007 |
| Caring for Your Aging Dog: A Quality-of-Life Guide for Your Dog's Senior Years | 978-1-4027-2614-9 | 2007 |
| Sterling Biographies: Marie Curie: Mother of Modern Physics | 978-1-4027-6543-8 | 2009 |
| Sterling Biographies®: Marie Curie: Mother of Modern Physics | 978-1-4027-5318-3 | 2009 |