Andrew Root is an author and a trained therapist, active in community mental health and the public education system in Portland, Oregon. Andrew works as the clinical manager of a therapeutic school serving youth and adolescents with a variety of behavioral and mental health needs. His experiences working with children have led him to realize the importance a good book can have both socially and academically. Andrew enjoys playing soccer and chasing his wife, two kids, and dog around his backyard.

Mark Chambers is an author and illustrator of children's picture books and young fiction. He studied Illustration at the University of London.

In 2017, he was shortlisted for the AOI World Illustration Awards, and in 2013 for the Roald Dahl Funny Prize. Since then Mark has illustrated a wealth of picture books and young fiction.

In 2013, he won the Sheffield Children's Picture Book Award and was also highly commended in the young fiction category. Mark currently lives and works in France.