As a former researcher and writer for the Financial Times, Sibéal Pounder has interviewed everyone from designer Vivienne Westwood to director Sam Taylor-Wood.

Now she writes about fabulous witches and feisty fairies in her debut series, Witch Wars. She also tutors children who want to get into the media industry, helping them to develop articles and documentary shorts and teaching them how to put together magazines.

Sibéal has a degree in History, a masters in Publishing and recently completed the Faber Academy's Writing for Children course. Sibéal's first book, Witch Wars, was shor tlisted for the Waterstones Children's Book Prize 2016.

Beatriz Castro was born in La Rioja, Spain in 1985. When she was a little girl, she was always drawing and writing stories. She studied illustration at the school of arts in her home town, Logrono.

After graduating, she embarked on a career as a professional illustrator and has since been published by many international publishing houses. She especially enjoys creating funny characters.

Beatriz likes animals, classic stories and fairy tales and listens to rock and punk music.