Geronimo Stilton: I'm Too Fond Of My Fur! is the fourth book of the series. PlotEdit Geronimo's friend is at the mount everest and asks Geronimo to come to Mt. Everest and get his secret diary with him and also tells him that there is a yeti.So Geronimo takes a trip to Kathmandu in Nepal with Trap,Thea and Benjamin. Categories: Books Geronimo Stilton books Add category Cancel Save