by Melissa Langonegro; illustrated by Art Mawhinney by Melissa Lagonegro ; illustrated by Niall Harding. by Nickelodeon ; illustrator by Art Mawhinney. cover illustrated by Art Mawhinney written by Melissa Lagonegro ; illustrated by Amanda Haley. by Melissa Lagonegro ; illustrated by Peter Emslie and Elisa Marrucchi. illustrated by Art Mawhinney by Suzanne Lang ; illustrated by Max Lang. illustrated by Art Mawhinney. Illustrated by Art Mawhinney