Castle of the Zombies

Ollie Jolson has stumbled across a secret so big no-one will ever believe him. He's fallen into a world where walls can literally have ears-and eyes, and brains, and stomachs too. The despicable Lord Wight wants to take over everything and everyone, and only a couple of kids stand in his way. One of them is still in his pyjamas. When you're lost in a space-time continuum, getting home is much harder than it sounds.