| title | media type | ISBN-13 | year of publication | |
|---|---|---|---|---|
| Emmy and the Home for Troubled Girls | Paperback | 978-0-312-60873-6 | 2010 | |
| Emmy and the Incredible Shrinking Rat | " | 978-0-312-38460-9 | 2008 | |
| Emmy and the Incredible Shrinking Rat | " | 978-0-545-10565-1 | 2008 | |
| Emmy and the Incredible Shrinking Rat | Hardcover | 978-0-8050-8150-3 | 2007 | |
| Emmy and the Rats in the Belfry | " | 978-0-8050-9183-0 | 2011 | |
| Emmy und die Wunderschrumpfratte | Gebunden | 978-3-7725-2491-2 | 2015 | |
| Hamster Magic | Paperback | 978-0-375-86616-6 | 2012 | |
| I Need a Snake | " | 978-0-606-20240-4 | 2002 | |
| Sign of the Cat | " | 978-1-250-07981-7 | 2016 | |
| The Realms of the Gods | Audio CD | 978-1-934180-27-3 | 2010 | |
| The Secret of Zoom | Paperback | 978-0-312-65933-2 | 2011 | |
| The Secret of Zoom | Hardcover | 978-0-8050-8856-4 | 2009 |
Demco Media · Freies Geistesleben · Full Cast Audio · Henry Holt and Company · Random House · Scholastic · St. Martin's Press