Geronimo follows clues in a diary all the way to Mouse Everest in search of his old friend Professor von Volt.
The Wizard of Oz 
Aesop’s Fables 
The Golden Carpet 
How the Crab Got His Claws 
Blink and You Die 
Lady Friday (The Keys to the Kingdom) 
Superior Saturday (The Keys to the Kingdom) 
The power of Six 
Silver Skin 
Fly on the Wall 
Geronimo Stilton: The Sticky Situation 
Geronimo Stilton: The Night of the Were-Pumpkins 
Geronimo Stilton – Championship Finals … In New Mouse City 
Geronimo Stilton: Happy Birthday, Geronimo! 
Geronimo Stilton: Mystery of the Giant Pearl 
Geronimo Stilton: The Case of the Chocolate Thief 
Geronimo Stilton: The Hunt for the Golden Book