Secret Coders: Robots & RepeatsDr. One Zero has added a new class to Stately Academy's curriculum. But in "Advanced Chemistry," they only teach one lesson: how to make Green Pop! While their classmates are manufacturing this dangerous soda, the Coders uncover a clue that may lead them to Hopper's missing dad. Is it time to use Professor Bee's most powerful weapon: the Turtle of Light? From graphic novel superstar (and former computer programming teacher) Gene Luen Yang, comes