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
Enid Blyton played the title role, described Blyton as "a complete workaholic, an achievement junkie and an extremely canny businesswoman" who "knew how to brand herself, right down to the famous signature". During the months following her husband's death Blyton became increasingly ill, and moved into a nursing home three months before her death. She died at the Greenways Nursing Home, Hampstead, North London, on 28 November 1968, aged 71. A memorial service was held at St James's Church, Piccadilly, and she was cremated at Golders Green Crematorium, where her ashes remain. Blyton's home, Green Hedges, was auctioned on 26 May 1971