Geronimo is on the hunt in this fabumouse adventure -- which includes a bonus story! 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!

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. Luckily, a secret agent came to our aid... but could we trust him? It was up to us to recover the precious scroll!

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?

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

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!

When the rodent residents of New Mouse City begin succumbing to stomachaches, hiccups and weird green warts, Geronimo Stilton and his detective friend, Hercule Poirat, race against time to investigate before they also fall ill. Simultaneous eBook.