The Secret of Cliff Castle — Enid Blyton

THE SECRET OF CLIFF CASTLE
As soon as Peter, Pam and their cousin Brock hear about the strange castle by the sea they are determined to solve its mystery, but an unknown enemy awaits them in the castle's secret and ghostly passages. Age 7+
SMUGGLER BEN
Alec, Frances and Hilary encounter a strange boy named Ben while on holiday at Sea Cottage. But as they play at being smugglers they find themselves suddenly catapulted into into a startling adventure and deserate danger. Can they unravel the the mystery before it's too late? Age 7+
THE BOY WHO WANTED A DOG
Donald wants a puppy more than anything in the world, but his parents don't understand his love of animals and won't let him have any sort of pet - let alone a puppy. So when an injured-kitten rescue lands Donald with work at the vets after school, he is overjoyed, but little can he imagine the strange adventure that lies ahead. Age 7+

Super gift editions of Enid Blyton mystery and adventure stories contain two SECRET titles and each feature three full-length stories. THE ADVENTURES OF THE SIX COUSINS contains both 'Six Cousins at Mistletoe Farm' and 'Six Cousins Again'.