| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| 100 Secret Thoughts Cats Have About Humans | 978-1-59337-416-7 | 2005 | |
| 100 Ways for a Cat to Train Its Human | 978-1-59337-413-6 | 2005 | |
| Chats with Cats: How to Read Your Cats Mind | 978-1-904435-58-7 | 2006 | |
| Chats with Cats: How to Read Your Cat's Mind | 978-1-904435-31-0 | 2004 | Gray Jolliffe |
| How to Read Your Cat's Mind: Purring Matters | 978-1-904435-06-8 | 2003 | |
| One Hundred Secret Thoughts Cats Have About Humans | 978-0-340-86170-7 | 2003 | |
| One Hundred Ways for a Cat to Find Its Inner Kitten | 978-0-340-78721-2 | 2002 | |
| One Hundred Ways For A Cat To Train Its Human : | 978-0-340-78605-5 | 2001 | |
| One Hundred Ways to a Happy Bunny | 978-0-340-90948-5 | 2007 | |
| One Hundred Ways to a Happy Cat | 978-0-340-74598-4 | 2000 | |