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Enid Blyton’s much-loved classic series, packed full of adventure and mystery.
Why are the locals so afraid of the deserted old castle on the hill? When lights are seen there in a distant tower, Philip, Dinah, Lucy-Ann and Jack decide to investigate – discovering a very sinister plot concelead in its gloomy rooms and secret passages.
First published in 1946, this edition contains the original text and is unillustrated.