Kingdom of the Wicked (2014)

A children's author is sucked back into the world of his childhood imagination - only to find it transformed into a landscape of horror! Can he escape this prison of the mind - or end the war that has devastated his imagination?
The twenty-first century's greatest living children's author - Christopher Grahame - is drawn back into Castrovalva, the world of his childhood imagination, when the stress of his fame starts to weigh on him.
But Castrovalva has gone to hell in his absence - devastated by war, famine and loss. And now Christopher can't wake up. Has he lost his mind... or his innocence?