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.

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.Okay, I'll admit it: I'm a bit of a cheesy mouse from time to time. What can I say? I'm a romantic! That's why Valentine's Day is one of my favorite holidays. This year I had a date with a very special rodent-- Petunia Pretty Paws! But then I got a call from my private investigator friend Hercule Poirat. He had a mystery to solve, and he desperately needed my help. The most beloved, romantic, and famous painting in New Mouse City had been stolen! Now I had to help Hercule AND impress Petunia at the same time. Holey swiss cheese, what was a gentlemouse to do?

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.It was Valentine's Day in New Mouse City, and I couldn't wait to celebrate! I had sent valentine cards to all my friends and family members. But when I opened my mailbox on the morning of February 14th, it was empty! Had everyone forgotten about me? Was I destined to spend Valentine's Day alone in my mousehole, sobbing, with only my pet fish to console me? It was starting to look like a true Valentine's Day disaster!

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.After being enrolled in the Song Festival, Geronimo Stilton's song, "Welcome to New Mouse City," goes to the top of the charts and makes Geronimo a star, but very few CDs are sold after the festival. Will Geronimo and his detective friend, Hercule Poirat, be able to solve the mystery?

Tis the season to be jolly -- and holey cheese was I trying! But on my way to New York City to meet my family for the holidays, my luggage got switched with another mouse's... Oh, rats! Now I had to scurry all over the Big Apple trying to track down that mouse... and all my Christmas presents! And I, Geronimo Stilton, am not a big cheese when it comes to getting around the Big Apple!

When you're with Geronimo Stilton, it's always a fabumouse adventure! Great Gouda! There were hearts everywhere in New Mouse City. My friend, Creepella, had started a new dating and wedding-planning agency, and she chose me as her assistant! But someone was trying to sabotage the matches. Could I figure out who before hearts are broken?

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.I was so excited about Christmas, I could squeak! My favorite nephew Benjamin was going to come over, and we were planning to trim the tree and eat lots of delicious holiday Cheesy Chews. But before you could say "cat alert," disaster struck! I slipped over my tail and ended up in the hospital. And then my mouse hole caught on fire! Holey cheese, this was turning out to be the worst Christmas ever....

When you're with Geronimo Stilton, it's always a fabumouse adventure! My detective friend Hercule Poirat and I were headed to India. A Bollywood star we're friends with had received a valuable ruby and wanted us to help her protect it... which meant that I ended up acting in the movie she was filming! Rancid ricotta -- I'm a terrible actor! Even worse, just when we least expected it, the ruby was stolen. Could we find the thief?

Geronimo Stilton is assigned to a story about the Olympics.

Accepting an ugly crystal figurine from Petunia Pretty Paws, Geronimo Stilton discovers a mysterious message inside the figurine from a Venetian mouse who requires assistance.