Geronimo Stiltonix and the spacemice follow a treasure map to the planet Aquarix, unlock a treasure chest of rare material that powers an entire underwater civilization, and prevent pirate spacecats from stealing the chest for themselves.

"Geronimo and Trap decide to start making organic honey with the help of some beekeepers. When the honey is ready, they face up against the evil Madam No."--

"It was spring in New Mouse City! I love to celebrate the season with my fellow mice by exchanging chocolate eggs and competing in a confectionary challenge. This year, there was also a special exhibition of priceless jeweled Mouseberge eggs in town. Then the Mouseberge Egg was stolen--and it was up to me to find it! Squeak! Could I chase it down?"--Page 4 of cover.

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.

When director Mousen Scorsese's newest film goes missing at New Mouse City's first film festival, Hercule and Geronimo spring into action to solve the case.

Geronimo Stiltonix takes MouseStar 1's broken computer to a distant planet to be repaired by a brilliant inventor, but pirate spacecats attack, steal the device, and try to make it evil.

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.

The Thea Sisters are summoned to the Seven Roses Unit by Will Mystery, but when they get there Will is missing; the sisters follow a trail of clues to the Fantasy Kingdoms, and find out that the Mayhem Mirror has been disturbed, and a terrible curse is about to be unleashed on the Fantasy Kingdoms, and it will be up to them to find the eight Harmonies which can break the curse and save the Kingdoms.