Dorothy Edwards dreamt up ‘My Naughty Little Sister’ whilst on a family holiday in 1950. Dorothy based the character on her younger sister, Phyllis, and went on to write five books about her naughty little sister with wide acclaim. Dorothy became a household name and her stories were read and loved across the globe. She became a fixture of a radio show in the 1950s called Read with Mother and she also wrote for Playschool and Jackanory. Dorothy died in 1982, aged 68.