The Hidden Continent (en Inglés) - Phoenix McDonald

Marcus Talent, kidnapped by the mysterious Barzil, finds himself in a place he's never seen before - a place the man calls Dremheim. Marcus discovers there's an entire part of the planet no one knew about - and the people there need his help. But ever since he used his power to restore the moon to its orbit, it seems to be useless.

Leopold and the others returned to Lysomnus. Along with Sadie, they're working to help restore the world to what it was before the quakes. Sadie makes a startling discovery - something that will lead to a revelation about Lysomnus's past. LIttle do they know it is something Marcus will desperately need when he finally makes his way home.