Holey cheese, it was strange! All across New Mouse City, rodents kept telling me I'd done things I had no memory of. Was I going crazy? Had the cheese finally slipped off my cracker? No, that wasn't it. I soon discovered the truth: there was a Geronimo lookalike going around, pretending to be me! He'd even fooled my sister Thea. Worst of all, he was trying to take over The Rodent's Gazette! I had to get that greedy impostor's paws off my newspaper,...

Geronimo Stilton, editor of "The Rodent's Gazette," is looking forward to celebrating Christmas with his nephew, until a series of unfortunate mishaps brings about a change in his plans.

Enter the world of Geronimo Stilton, where another funny adventure is always right around the corner. Each book is a fast-paced adventure with lively art and a unique format kids 7-10 will love.

Enter the world of Geronimo Stilton, where another funny, cheesy adventure is always right around the corner. Each book is fast-paced with lively art and a unique format kids 7-10 will love.Rat-munching rattlesnakes! I can't believe it. I, Geronimo Stilton, just let my super-sporty friend Bruce Hyena convince me to go on another one of his extreme adventures. You know me--I just can't say no to a friend! This time, we're going to be climbing to the...

When his nephew invites him to Career Day at school, Geronimo causes havoc. How's he going to get himself out of this mess?

After his friend Champ Strongpaws enters him, Geronimo Stilton participates in the New Mouse City Song Festival.

Geronimo Stilton regrets that he is too busy to celebrate Christmas in New Mouse City and wishes he could fly to Santa's toy factory.

Geronimo sends valentines to all his friends but seems destined to spend the day alone.

It was my most thrilling adventure yet! My old friend Professor von Volt had discovered the location of the famous Ruby of Fire. And before I could let out a squeak of protest, my sister Thea had dragged me into race to be the first to find the legendary gem. The jewel was protected by thousands of ancient booby-traps-- a 'fraidy mouse's worst nightmare? Would I make it through with my fur?

Oh, what a day! I had just published New Mouse City's first phone book -- and almost every single number was wrong! My customers were out for my fur. So when Thea, Trap, and Benjamin asked me to join their quest for a legendary island covered in silver, I agreed. But no sooner had we set out than we were attacked by a ship of pirate cats! They mousenapped us and threatened to make us their dinner. Would we escape with our lives ... or find ourselves...