Jennifer Rowe

Wiki (en)

Jennifer June Rowe, AC, is an Australian author. Her crime fiction for adults is published under her own name, while her children's fiction is published under the pseudonyms Emily Rodda and Mary-Anne Dickinson. She is well known for the children's fantasy series Deltora Quest, Rowan of Rin, Fairy Realm, Teen Power Inc., the Rondo trilogy and The Three Doors trilogy, and her latest His Name Was Walter.

(Source: Wikipedia)