The Secret Seven short story titled "The Secret of the Old Mill". It followed an earlier short story, "At Seaside Cottage", which introduced the leading characters Peter and Janet prior to the formation of the society. There followed a further five short stories and fifteen full-length books. The Secret Seven appeared in seven short stories by Blyton, including a mini-novella explaining how the society was formed. These were left uncollected until 1997, when all but "At Seaside Cottage" were published in a single volume by Hodder Children's Books under the title of "Secret Seven: Short Story Collection". Scamper – Janet and Peter's pet
The Mystery of the Missing Necklace The Mystery of the Missing Necklace The Mystery of the Missing Necklace — is a book in the series of "Five Find-Outers and Dog" by Enid Blyton Together again in the summer holidays, the Five Find Outers are finding the hot summer rather dull - until they learn that Peterswood is apparently the headquarters of a gang of jewel thieves who are carrying out burglaries outside of the village. It appears that the gang may be passing messages to each other in Peterswood. Fatty's voice has broken, and this allows him to use a wide range of new adult disguises.