As head of the Magical Mermaid Society, Cat Montgomery has dedicated her life to travelling the world searching for mermaids and documenting other people's sightings.

Nat is a BAFTA-nominated filmmaker, author and comedian. She was a stand-up comedian for almost ten years, and her sketch group, Jigsaw, had two series of their own show on BBC Radio 4. She has written five books and her short story, Howling Pack of Undesirables, was nominated for the Royal Society of Literature V.S. Pritchett Award and Short Story of the Year Award.

Alessandra was born in Rome, where she attended the IED Institute of Art and Design, graduating in Illustration and Multimedia Animation. She has since worked as an illustrator, mainly on books for children and young adults, but also on games and stationery products. She currently lives in Bologna.

Khoa is based in Ho Chi Minh, Vietnam and is the author and illustrator of numerous picture books. Her illustration work has gained many awards including a Sydney Taylor Honor Book Award, Kirkus Best Children's Books Notable Award and the Ohioana Book Award. Khoa finds solace in her small studio, accompanied by her beloved cats.

Selwyn E. Phipps is the President of the Magical Unicorn Society. After years travelling the world in search of rare and beautiful unicorns, now he is sharing what he's learnt.