| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Celebrate the 50 States! | Paperback | 978-0-8234-1431-4 | 1999 | |
| Crazy Like a Fox: A Simile Story | " | 978-0-8234-2248-7 | 2009 | |
| Crazy Like a Fox: A Simile Story | Library Binding | 978-0-8234-1719-3 | 2008 | |
| Fraction Action | Paperback | 978-0-8234-1244-0 | 1996 | |
| It's Probably Penny | Hardcover | 978-0-8050-7389-8 | 2007 | |
| Mapping Penny's World | Paperback | 978-0-8050-7262-4 | 2003 | |
| Mapping Penny's World | Hardcover | 978-0-8050-6178-9 | 2000 | |
| Measuring Penny | Paperback | 978-0-8050-6572-5 | 2000 | |
| Measuring Penny | Hardcover | 978-0-8050-5360-9 | 1998 | |
| Missing Math: A Number Mystery | " | 978-0-7614-5385-7 | 2008 | |
| The Edible Pyramid: Good Eating Every Day | " | 978-0-8234-2074-2 | 2007 | |
| The Edible Pyramid: Good Eating Every Day | Paperback | 978-0-8234-1233-4 | 1996 | |
| The Great Trash Bash | " | 978-0-8234-1634-9 | 2000 | |
| There's a Frog in My Throat: 440 Animal Sayings a Little Bird Told Me | Hardcover | 978-0-8234-1774-2 | 2003 | Pat Street |
| There's a Frog in My Throat: 440 Animal Sayings a Little Bird Told Me | Paperback | 978-0-8234-1819-0 | 2003 | " |