When Geronimo Stilton learns someone wants to steal the antique silver skates being offered as a prize in Mouse Island's annual winter Ice Skating Championships, he races to uncover the mysterious thief and save the prize.

Asked by a Bollywood star for help protecting a valuable ruby, Geronimo Stilton and Hercule Poirat are inadvertently cast in the actress's film in spite of limited acting skills and are horrified when an anonymous thief makes off with the ruby.

When he begins receiving packages containing useless things he did not order, Geronimo Stilton discovers that someone on the Internet has stolen his identity, a dilemma that compels him to enlist the help of computer expert Professor Margo Bitmouse, who helps Geronimo track down the hacker.

When a celebrated goldsmith from Hawaii creates a necklace for a famous actress, rumors that the necklace is about to be stolen prompt Geronimo Stilton's investigation to identify the thief.

"Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure! It's the night of the big Cavemouse Idol competition, but Geronimo Stiltonoot isn't there. He has a cold, and goes to bed early. So when it's discovered that the contest's valuable grand prize has been stolen, Geronimo is the main suspect! He must prove his innocence . . . or he'll end up in enormouse trouble!" --

While celebrating his birthday with his family, Geronimo realizes someone has replaced all of his money with counterfeit bills and sets out to find the thieves.

The famous Prince Nogouda pays a visit to New Mouse City and ace reporter Geronimo Stilton has an exclusive interview. Meanwhile, at the Mouse Museum, the rare breed of Shufongfong lizards have been kidnapped! Could like Prince and his kingdom in the Bandel jungle have anything to do with this? Geronimo, Thea, Trap, and Benjamin are on the case!