“What’s that noise?” said Ron suddenly. A faint, tinny sort of whistle was coming from somewhere. They looked all around the compartment. “It’s coming from your trunk, Harry,” said Ron, standing up and reaching into the luggage rack. A moment later he had pulled the Pocket Sneakoscope out from between Harry’s robes. It was spinning very fast in the palm of Ron’s hand and glowing brilliantly. “Is that a Sneakoscope?” said Hermione interestedly, standing up for a better look. “Yeah . . . mind you, it’s a very cheap one,” Ron said. “It went haywire just as I was tying it to Errol’s leg to send it
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