The Cheese Experiment

NEW 5.5 x 0.5 x 8 inches New Mouse City was in a panic. A strange epidemic had broken out -- mice everywhere were covered in weird blue spots! Mouse Island's most famouse doctor immediately set to work with his team to try to find the cure... but someone was trying to stop him. Could I figure out who before I ended up blue myself? Review Praise for Geronimo Stilton books: "Lightning pace and full-color design will hook kids in a flash." -- Publishers Weekly