It's a curious case for Geronimo in this special edition adventure! Rancid ricotta! Something strange was happening in New Mouse City. Rodents were suddenly getting sick with stomachaches, hiccups, and weird green warts -- and it seemed to be related to cheese! We mice eat a lot of cheese, so this was serious. My detective friend, Hercule Poirat, asked me to help him investigate. Could we solve this mystery and save our city?BONUS! After the story, read an extra Mini Mystery adventure and jokes galore!

From the bestselling middle grade series, a chapter book about a mouse journalist searching for a missing computer, plus a bonus short mystery and jokes. Grandfather William was throwing me, Geronimo Stilton, a party—it had been ten years since I published my first book! He wanted me to write a new book especially for the occasion. Then my laptop was stolen right from under my snout. Cheese niblets, how terrible! Could my friends and I find my computer and print my book all in time for the party? BONUS! After the story, read an extra Mini Mystery adventure: The Lake Monster. When a mysterious monster is sighted in a lake on Mouse Island, Geronimo is called in to investigate! But can he figure out this creature’s secret? PLUS cheesy jokes galore! Praise for Geronimo Stilton’s books: “Lightning pace and full-color design will hook kids in a flash.” —Publishers Weekly

The Colosseum is being haunted by a gladiator ghost. None of the tourists want to visit anymore! Geronimo must solve the mystery and rid the site of its ghost.*Plus BONUS Mini Mystery: The Cheese BurglarCan Geronimo clear his name and catch the real thief before it's too late?

Geronimo unlocks the mystery in this fabumouse adventure -- which includes a bonus story! My sister, Thea, had discovered an enormouse old castle built by the founder of New Mouse City! She and Trap dragged me along with them to explore it. Inside, we found one hundred keys... but only ninety-nine doors to unlock. What mysterious room did the hundredth key open? It was up to us to find it and reveal its secrets! BONUS! After the story, read an extra Mini Mystery adventure and jokes galore!

A thrilling quest through the past with Geronimo Stilton and his friends. Geronimo travels through time to Alexander the Great, Cleopatra, Francis Drake, and a young Mozart.

"A curious case for Geronimo! Rancid ricotta! Something strange was happening in New Mouse City. Rodents were suddenly getting sick with stomachaches, hiccups and weird green warts and it seemed to be related to cheese! We mice eat a lot of cheese, so this was serious. My detective friend Hercule Poirat asked me to help him investigate. Could we solve this mystery and save our city?"--Inside front flap.

Geronimo is on the hunt in this fabumouse and super-sized adventure! There was a mystery in New Mouse City's Egyptian Mouseum! The Black Papyrus, an ancient document that reveals the secret of eternal youth, had disappeared. The mouseum's director asked me to help him find it. Yikes -- those Egyptian artifacts freak me out! Luckily, a secret agent came to our aid... but could we trust him? It was up to us to recover the precious scroll! BONUS! After the story, read an extra Mini Mystery adventure and jokes galore!