Alfred A. Knopf · Random House
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| We Are the Cat: Life Through the Eyes of the Royal Feline | 978-0-307-33918-8 (0-307-33918-1) | 2006 |
| You Are a Dog: Life Through the Eyes of Man's Best Friend | 978-1-4000-5242-4 (1-4000-5242-4) | 2004 |