When Valentine's Day arrives, Geronimo is excited about his date with Petunia Pretty Paws until detective Hercule Poirat needs help in finding the missing famous painting in New Mouse City.

"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!" --

Geronimo tries to get away for a relaxing vacation. But then disaster strikes when all the good trips were booked up. He finds himself in a flea-ridden old hotel, sharing a room with a bunch of Gerbil Scouts! He can't wait to get back to his comfy mouse hole in the city.

When Will Mystery calls, the Thea Sisters answer the call because there is trouble in one of the fairy kingdoms: a dragon has been turning all the fairies' precious gems into stone, and wrecking havoc throughout the Crystal Kingdom--and it is up to the sisters to find out why the dragon is destroying this Kingdom and stop him before it is too late.

Grandfather Shortpaws sends Geronimo Stilton on a hunt for his old friend, the Red Bandit, in Arizona.

"The Thea Sisters travel to New York to cheer for Nicky as she runs the Big Apple Marathon. While there, they visit Pamela's family and have a delicious dinner at the family's pizzeria. But when someone threatens to burn the restaurant down, can the Thea Sisters catch the troublemaker and solve the mystery?"--P. [4] of cover.

Geronimo Stilton travels back in time to the ice age, ancient Greece, and Renaissance Italy, where he experiences wild historical adventures. Geronimo Stilton travels back in time to the ice age, ancient Greece, and Renaissance Italy. He encounters woolly mammoths, writes and stars in a play, and even helps put a bad guy in prison! But when the portal started malfunctioning, will Stilton and his family be able to get back to the present day, or would...

"When Geronimo Stilton gets signed up for a dating app, will he get matched with the rodent of his dreams, or will it be a mismatch? Thea Stilton worries Geronimo Stilton, her brother and famouse Editor-in-Chief of The Rodent's Gazette, may be living the lonely bachelor life. With Ben's help, they sign Geronimo up for a dating service. But what happens when the service gives him the most unlikely match?!"