Ana Punset is a best-selling author of books for children, including the other books in the Unicornia series. She lives in Barcelona and has always dreamed of flying with unicorns.

Diana Vicedo has been a freelance illustrator for more than ten years. Her illustrations have appeared in children’s books and on designs for children's fashion, games, motion graphics, and apps. She is the illustrator of the other books in the Unicornia series. She lives in Valencia, Spain.