Elona

Prophecy will sacrifice anyone, even a child.
Ten-year-old Lady Elona of Faerholme finds herself the target of a prophecy that predicts she will defeat an invading army. But that's impossible: she's just a girl!
Her betrothal to a Prince solves the paradox: she can produce an heir to fight the prophesied war.
But prophesy turns to conspiracy, and after six years manoevring by political enemies, with Elona's behaviour becoming increasingly erratic, her carefully planned future shatters into a waking nightmare of horror.
What hope can there be for Faerholme when the one prophesied to save it is in chains? And what hope for Elona?