| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| A True Princess | Paperback | 978-0-06-182503-3 | 2012 | |
| A True Princess | Hardcover | 978-0-06-182501-9 | 2011 | |
| McGraw-Hill Education TASC: The Official Guide to the Test | Paperback | 978-0-07-182386-9 | 2014 | Kathy Zahler · Stephanie Muntone · Thomas Evangelist |
| Princess of the Wild Swans | " | 978-0-06-200495-6 | 2013 | |
| Princess of the Wild Swans | Hardcover | 978-0-06-200492-5 | 2012 | |
| Sleeping Beauty's Daughters | " | 978-0-06-200496-3 | 2013 | |
| Test Your Countercultural Literacy | Paperback | 978-0-13-911983-5 | 1989 | Kathy A. Zahler |
| Test your cultural literacy | " | 978-0-13-903758-0 | 1988 | |
| Test Your Cultural Literacy IQ: Updated & Revised | " | 978-0-7434-7578-5 | 2003 | Kathy A. Zahler |
| The Thirteenth Princess | " | 978-0-06-182500-2 | 2011 | |
| The Thirteenth Princess | Hardcover | 978-0-06-182498-2 | 2010 | |
| The Thirteenth Princess | Library Binding | 978-0-06-182499-9 | 2010 | |
| What Do You Know About Sex? | Paperback | 978-0-13-950791-5 | 1991 | Kathy A. Zahler |
| Zahler Mid Grade #2 | Library Binding | 978-0-06-182502-6 | 2010 | |
HarperCollins · McGraw-Hill · Pocket Books · Prentice Hall