The Secret Science Alliance and the copycat crook / Davis, Eleanor

Julian Calendar thought he could leave his "nerdy" persona at his old school, but instead joins with other inventors and works with them to prevent an adult from using one of their gadgets for evil. In graphic novel format.

Eleven-year-old Julian Calendar thought changing schools would mean leaving his "nerdy" persona behind, but instead he forms an alliance with fellow inventors Greta and Ben and works with them to prevent an adult from using one of their gadgets for nefarious purposes.