Potions & Parameters (Secret Coders Series #5)

From graphic novel superstar, former computer programming teacher, and New York Times-bestselling author Gene Luen Yang, Secret Coders: Potions & Parameters is the fifth volume in a wildly entertaining series that combines logic puzzles and basic coding instruction with a page-turning mystery plot!

Dr. One-Zero won't stop until the whole town-no, the whole world-embraces the "true happiness" found in his poisonous potion, Green Pop. And now that he has the Turtle of Light, he's virtually uns...