| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| A Kid's Look at Colorado | Paperback | 978-1-55591-856-9 | 2005 |
| A Teacher's Math Companion | " | 978-0-07-049528-9 | 1995 |
| A Teacher's Science Companion | Hardcover | 978-0-07-049518-0 | 1994 |
| A Teacher's Science Companion | Paperback | 978-0-07-049519-7 | 1994 |
| Buffalo | Library Binding | 978-0-7614-1866-5 | 2005 |
| It Happened in Rocky Mountain National Park | Paperback | 978-0-7627-4238-7 | 2008 |
| It Happened In Rocky Mountain National Park: Stories of Events and People that Shaped a National Park | " | 978-1-4930-3720-9 | 2018 |
| Mi Gran Roca | " | 978-1-58430-803-4 | 2002 |
| Rocky Mountain National Park | " | 978-0-7385-5627-7 | 2008 |
| The Case of the Hidden Masterpiece | " | 978-1-932146-39-4 | 2006 |
| The Ghost in the Music Room | " | 978-1-58476-632-2 | 2008 |
J. P. · J. Perry · P.J. · P J Perry · P.P. · Phyllis Jean Perry · Phyllis Perry
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