The STEM Files graphic novel series focuses on the hilarious, top secret stories of ambitious, but inept, would-be evil villains. Top Secret: ChemX focuses on the blundering would-be evil villain Chet Michael Xavier, aka ChemX, as he attempts to take over The City by making its water supply highly acidic. But he fails miserably due to his lack of knowledge about basic chemistry. It's hard to take over a city using chemistry if you don't know the basics! Each book in the series focuses on a key STEM concept. Includes educational callouts, sidebars, and backmatter material. Supplemental activity also included.