Ingela P. Arrhenius is a freelance illustrator and graphic designer who has always loved to draw. She is the author-illustrator of Animals, City, Pop-up Ocean, Pop-up Jungle, and Pop-up Things That Go!, as well as the illustrator of the Peekaboo board book series and this series of lift-the-felt-flap board books. Ingela P. Arrhenius lives in Sweden.