https://chalmersandmarrs.com/
John Chalmers and Sandra Marrs - Metaphrog | author illustrator
Mar 13, 2026 - John Chalmers and Sandra Marrs aka Metaphrog, are an award-winning author and illustrator duo of kids comics and children's graphic novels
john chalmerssandra marrsmetaphrogauthorillustrator
https://metaphrog.com/
John Chalmers & Sandra Marrs | Metaphrog | graphic novel makers
Jul 14, 2026 - Explore the world of children's graphic novels with award-winning authors John Chalmers and Sandra Marrs, the creative duo behind Metaphrog.
john chalmerssandra marrsgraphic novelmetaphrogmakers