Drawn once again into the Kingdom of Fantasy, Geronimo discovers that the Land of Books is being threatened by a wave of grayness spreading from the Kingdom of Swamp Valley rotting books and turning all the characters gray, sad and worried--and it will be up to Geronimo, Winglet (daughter of Blossom and newly crowned empress), and the intrepid characters from fiction who join them along the way, to locate the source of this new evil and put a stop...

When Wild Willie showed up at my door and invited me to travel with him to Japan, I jumped at the chance. We were in search of an ancient, legendary samurai scroll that holds the secret to a long-lost fighting technique. The scroll had fallen into the wrong hands, and it was up to me and Wild Willie to track it down and save the day. But first, we would have to fight a group of talented ninjas. Holey cheese -- this would be one adventure I would never...

Geronimo Stilton travels back in time to the ice age, ancient Greece, and Renaissance Italy, where he experiences wild historical adventures

The Harmony Stone has been stolen from the Crystal Castle, and without it the Kingdom of Fantasy is vulnerable to an ancient enemy, The Invisible Army; Geronimo, together with Queen Blossom's daughter, Winglet, embarks on a mission to find the ancient crown which will defeat the Invisible Army and restore harmony to the empire--but they must make it back to the Crystal Castle before it is overwhelmed by the enemy

Princess Sterling sends the Dragon of the Rainbow and Scribblehopper to bring Geronimo Stilton back the Kingdom of Fantasy, because he is the hero in the dragon prophecy who will find the stolen dragon egg and restore harmony to the kingdom

Thea Stilton and her sisters journey to the land of Minwa, a realm linked to the legends of Japan and wrapped in mysteries and enchantments, to discover why the realm's special lotus flowers are disappearing--and why their disappearance seems to be threatening the whole land