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.
Perfect for fans of the Famous Five looking for their next adventure.
(P) 2018 Hodder Children's Books
Enid Blyton's books have sold over 500 million copies and have been translated into other languages more often than any other children's author.
She wrote over 700 books and about 2,000 short stories, including favourites such as The Famous Five,The Secret Seven, The Magic Faraway Tree, Malory Towers and Noddy.
Born in London in 1897, Enid lived much of her life in Buckinghamshire and adored dogs, gardening and the countryside. She died in 1968 but remains one of the world's best-loved storytellers.