Max, Liz, and Chen finally have answers in Book 8 of the Code Breakers series, but now they're in a race to save the day for the whole school. Having cracked all the codes and put all the clues together, the three friends have figured out what the school staff has been hiding, and now they join in to help. As the end of the school year nears, pressure mounts to bring the secret plan to fruition, but something threatens to...