Alex Woolf is the award-winning author of over eighty books of fiction and non-fiction, mainly for children and young adults. In 2019, he won the Fiction Express Award for his book Mystery at Moon Base One and in 2021 he won the Association for Science Education award for his non-fiction book Think Like a Scientist. His horror novel, Soul Shadows, was shortlisted for the Falkirk Red Book Award. He lives in North London, England.

Eve O'Brien is an illustrator and picture book maker based in London, UK. She has a bachelors degree in Illustration from Plymouth University and an MA Children's Book Illustration course from the Cambridge School of Art.