| title | ISBN-13 | year of publication |
|---|---|---|
| Agnes Pflumm and the Secret of the Seven | 978-0-9845419-4-2 | 2010 |
| Agnes Pflumm and the Stonecreek Science Fair | 978-1-4196-6922-4 | 2007 |
| Agnes Pflumm and the Stonecreek Science Fair | 978-1-891022-00-5 | 1997 |
| No Place Like Periwinkle | 978-1-4196-6923-1 | 2007 |
| No place like Periwinkle | 978-1-891022-02-9 | 1998 |
| Pond Scum and Agnes Pflumm | 978-1-4196-6924-8 | 2008 |
K S · M. K. · M S. · M SOUTHGATE · Merrie Koester
BookSurge Publishing · Idea Factory · Read for Science Publishing