Geronimo Stilton

Geronimo, Thea, and their cousin Trap explore an old castle built by Grant Gentlemouse, the founder of New Mouse City, and when they find one hundred keys and only ninety-nine doors inside, they set off in search of the missing room.

As the tenth anniversary of Geronimo Stilton's first book approaches, his laptop with the manuscript for his latest book is stolen, and he and his friends must track it down in time to share the new book at his anniversary party.

"An adventure down under! Moldy mozzarella! A flock of sheep at Nicky's family's Australian ranch was losing all its wool, and no one knew why. Nicky and her friends the Thea Sisters headed to Australia and set off on a tour of the whole country in serch of clues. What happened next turned out to be a truly memorable outback adventure!" -- P. [4] of cover.

Geronimo and friends go to the Eyptian Museum just before Halloween to investigate what seems to be a real live mummy.

When he hears reports of a ghost haunting New Mouse City's subway tunnels, Geronimo sets out to investigate the story.

Geronimo Stilton's ancestor, Geronimo Stiltonoot, must prove his innocence when the grand prize from the Cavemouse Idol competition is stolen.

Geronimo Stilton--editor of "The Rodent's Gazette"--his adventurous sister Thea, a correspondent for the paper, and their cousin Trap travel to a distant island to search for the treasure shown on an old map Thea discovers.

Space mouse Geronimo Stiltonix and his crew must save their friends who are stranded on the ice planet Polarix, home to colorful fuzz ball-shaped aliens who are not as harmless as they look.

Space mouse Geronimo Stiltonix must replace the batteries in his damaged spaceship by tracking down a rare element, but he is wary of a group of mysterious aliens who offer their help.