Catherine Bruzzone has more than 20 years experience teaching languages to children and developing innovative language-learning programs.

She is the author of the Childrens Classics series, the Lucy Cat series and many other series for b small publishing.

Louise Millar grew up in Scotland. She began her journalism career in music and film magazines, and was a senior commissioning editor at Marie Claire.

She has written for the Guardian, Psychologies, Stella, the Independent, the Observer, The Times and Stylist. She is co-founder of the crime-writing collective killerwomen.org.