Helena Mayer
3 English-language books
| Year | Type | Title | Author(s) |
|---|---|---|---|
| 2009 | Novel | Wild Surprise | Helena Mayer |
| 2010 | Chapbook | The Lost Riolu | Helena Mayer |
| 2011 | Omnibus | Phineas and Ferb: Phuntastic Boxed Set | Jasmine Jones & Lara Bergen & Helena Mayer |
3 English-language books
| Year | Type | Title | Author(s) |
|---|---|---|---|
| 2009 | Novel | Wild Surprise | Helena Mayer |
| 2010 | Chapbook | The Lost Riolu | Helena Mayer |
| 2011 | Omnibus | Phineas and Ferb: Phuntastic Boxed Set | Jasmine Jones & Lara Bergen & Helena Mayer |