‘SHOW YOURSELF AT ONCE!’ bellowed the Keeper. Nothing happened for a moment. Then, slowly, a figure materialised. It was less than three feet tall, dark of skin and hair, with an enormous hat and equally oversized shoes. It carried a horn in one hand. A trow, Isabel realised, and an instant later: Palchis. One of Grunewald’s entourage. ‘The library will CLOSE!’ screamed the Keeper. ‘Instantly! Expelled, every one of you!’

