Hooper has just transferred to Stately Academy and after just a few minutes knows she hates it. The school looks like a haunted house, the kids are mean and the janitor is creepy. And why are there numbers painted everywhere? She decides she wants to find out what the school janitor is hiding. With new friend Eni and a little programming knowledge, Hooper just might solve the mystery. Code or perish! Secret Coders is the first of a new graphic novel series that combines mystery, computer programming and friendship.