Chapter 23

“Perhaps. I don’t know.” Rob made a frustrated face. “That’s the trouble, isn’t it? We don’t actually knowanything. All these writings are by people who assumed that anyone reading doesknow things. Basic principles at least. I wish we knew where Arthur had got the books from. And how long he’d been working with it.” He poked sharply at the ripples with a frustrated index finger.

Suddenly, the place he poked began to glow and an ululating, screeching wail filled the room. The shimmer rippled alarmingly. Matty sprang to his feet, not sure whether to run forward or away. Rob looked equally taken aback. He withdrew his hand quickly, stepped back, and made a few swiping motions with his outstretched arm.