[1] She attended Watford College of Art, where she received a diploma in advertising writing in 1979.
[1] As both a child and adult, Willis has had an active imagination, which has sometimes resulted in psychic distress.
For instance, she remembers a time as a child when she would believe "wolves were following [her] home from school, so [she'd] arrive back sweating".
As an adult, she ended up in Cromwell Hospital's psychiatric ward while she was working in a creative position at an advertising agency.
[3] In October 2011, they included Willis's Big Bad Bun on their list of recommended reading for children aged 5–7.