Geronimo Stilton is assigned to a story about the Olympics.

In this funny chapter book from the bestselling middle grade adventure series, a world traveling journalist mouse solves a mystery at the Olympic games. I, Geronimo Stilton, am not a sportsmouse. Running? Sweating? Not for me. I prefer relaxing in an armchair with a nice bowl of chocolate cheesy chews. But with the Olympics coming up, sports were all anyone in New Mouse City could talk about. Rat-munching rattlesnakes! Then I was assigned to travel to Greece to report on the Olympic games and I sniffed a mysterious adventure in the making. And holey cheese, was I right! Praise for Geronimo Stilton’s books: “Lightning pace and full-color design will hook kids in a flash.” —Publishers Weekly

When you're with Geronimo Stilton, it's always a fabumouse adventure! It was my birthday! I was out with my family and friends celebrating when I realized, someone had replaced all my money with phony bills. I couldn’t pay for my cheesecake! Could Hercule and I track down the prankster before it ruined my special day?

Each Geronimo book is fast-paced, with lively full-color art and a unique format kids 7-10 will love.One day, my friends and I, Geronimo Stilton, made an amazing discovery. We found a huge oyster -- with an enormouse pearl inside! I was so excited about this extremely rare, precious pearl that I wrote a special feature about it in The Rodent's Gazette. That article attracted lots of attention -- both good and bad! The enormouse pearl was in danger of being stolen. Would my friends and I be able to protect it?

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters are in Russia for a figure skating championship! When their new friend is falsely accused of theft and barred from competing for the gold medal, the five mice resolve to clear her name. Along the way, they discover ancient love letters that could be the key to finding the real culprit! But can they solve the mystery in time?

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters help their friend Beatrice prepare for the Summer Olympics!