Lulu Mayo is an award-winning illustrator with an eye for the quirky and idiosyncratic. Her work is energetic and often contains humorous and fantastical elements. She studied for a Master's degree in illustration at the University of the Arts London and has designed greeting cards, posters, editorials, window displays and much more.

Lulu is the illustrator behind the best-selling A Million colouring book series, featuring A Million Cats, A Million Dogs, A Million Owls and A Million Bears. She is also the creator of Cattitude: Drawing Cats for Creative People and How to Draw a Unicorn and Other Cute Creatures.