Derek Landy said this quote

Grand Mage,” Ghastly said, as he put the map away, “did you know the sparrow flies south for the winter?”“What an odd thing to say,” Ravel said, and as he turned, he snapped his palm against the air and Paloma slammed into the wall.”…..“What do you know,” Ravel said, breathing a little faster, “Skulduggery’s silly little code actually works.”“Grand Mage,” Ghastly said, as he put the map away, “did you know the sparrow flies south for the winter?”“What an odd thing to say,” Ravel said, and as he turned, he snapped his palm against the air and Paloma slammed into the wall.”…..“What do you know,” Ravel said, breathing a little faster, “Skulduggery’s silly little code actually works.