Cavemice: Sea Monster Surprise

Cavemice: Sea Monster Surprise is the 11th book in the Geronimo Stilton Cavemice series. It is about Geronimo and his friends going on a seafaring adventure to find a lost cave. Along the way, they encounter a sea monster and learn about the history of the cavemice.
The book is full of humor and adventure, and it is sure to delight fans of the Geronimo Stilton Cavemice series. It is also a good choice for children who are interested in sea monsters, cave exploration, and adventure.