The Sewer Rats have created a breed of superplants that are taking over Muskrat City! And whats worse, theyve captured Lady Wonderwhiskers and are holding her prisoner. Its up to Superstilton and Swiftpaws to save her - and figure out who she really is when shes not a crime-fighting Hermouse!
Series: Geronimo Stilton: Heromice
Paperback: 122 pages