| title | ISBN-13 | year of publication |
|---|---|---|
| The Callahan Cousins #2: Home Sweet Home | 978-0-316-73692-3 | 2005 |
| The Callahan Cousins #3: Keeping Cool | 978-0-316-73693-0 | 2006 |
| The Callahan Cousins #4: Together Again | 978-0-316-73695-4 | 2006 |
| The Callahan Cousins: Summer Begins | 978-0-316-73690-9 | 2005 |
D.C. · E C. · E. D. · E. Doyle · Elizabeth C. · Elizabeth Carey · Elizabeth Doyle