'While the Obernewtyn Chronicles is over, there are many things we still don't know about the world, particularly involving the Beforetime's Cassy and Hannah; the two women who (as far as we're aware) helped set up the keys and clues for Elspeth's quest, and to fill in some of those gaps it's been Isobelle's intention to write several short stories (including the Matthew and Dragon story, which will also explore the Salamander/Ariel relationship). ' (Publication summary)