When Geronimo Stilton, editor of "The Rodent's Gazette," gets a mysterious phone call from his cousin Trap, he takes Thea and Benjamin along to Transratania, believing that Trap is awaiting rescue somewhere in the castle of Count von Ratoff.

Geronimo, Thea, and their cousin Trap explore an old castle built by Grant Gentlemouse, the founder of New Mouse City, and when they find one hundred keys and only ninety-nine doors inside, they set off in search of the missing room.

In each Geronimo Stilton book, another funny, cheesy adventure is always right around the corner. Each book is fast-paced, with lively full-color art and a unique format kids 7-10 will love.Holey cheese, did I need a vacation! I had been working my tail off at The Rodent's Gazette, so when Petunia Pretty Paws invited me to visit Whale Bay with her, of course I said yes. But our trip got off on the wrong paw, and my relaxing vacation turned into a...

Our second time-traveling adventure was in ancient Egypt. We were there to discover how the Great Pyramid of Giza was built. But when we got there, we were arrested by the Grand Vizier and taken to see the pharaoh - who had us thrown in the dungeon! Would we be able to escape, or would we be fed to the crocodiles?

When Will Mystery calls, the Thea Sisters answer the call because there is trouble in one of the fairy kingdoms: a dragon has been turning all the fairies' precious gems into stone, and wrecking havoc throughout the Crystal Kingdom--and it is up to the sisters to find out why the dragon is destroying this Kingdom and stop him before it is too late.

After saving a baby dinosaur from the river, Geronimo Stiltonoot discovers that it is incredibly mischievous and tries to find a way to get it back to its herd.

After learning that Queen Blossom's new baby, Winglet, has been kidnapped, it is up to Geronimo as Guardian of the Realm to uncover who has taken the new princess and return her to her parents.

Geronimo Stilton's ancestor, Geronimo Stiltonoot, investigates a witness's claim of a moving mountain of ice.

Invited by the Queen of the Fairies to return to her kingdom and help in the quest for the true heart of happiness, Geronimo soon finds himself on an adventurous journey riding on the wings of a rainbow-colored dragon through seven fantastic lands.

Geronimo Stilton's ancient ancestor is back in another prehistoric adventure! A mysterious rodent has been shipwrecked on Mouse Island. He's a prehistoric pirate, and he's searching for a lost Stone Age treasure! Geronimo Stiltonoot and his family volunteer to help him on his dangerous hunt. Petrified cheese! Can they find the treasure without going extinct on the way? Praise for GERONIMO STILTON CAVEMICE #1: THE STONE OF FIRE:"[A]n adventure...