If Adal and Arija can't survive, no one will.Let the war begin.
Deep in the belly of a cave lies a door to a hidden world that will change two lives forever. When Adal and Arija discover the secret buried deep in Earth's core, they unknowingly start a civil war that could destroy billions of lives. Including their own. But how do you fight an enemy that couldn't possibly exist? Can they survive long enough to set things right or will everyone they've ever cared for pay the price?You'll love this adventure full of witty banter, ingenious machines and thrilling twists.
Get It Now.