I think this book is adventure because it is a journey.
In this book there is Geronimo Stilton sproutness king thunder horn and princess of the silver dragons Geronimo gets a letter saying ergent on the front of the envelop. He opens it and what do you think happens next.
- he needs to get a new job.
- his sister is in danger
- or he needs to climb a mountain
Well if you chose to climb a mountain you were right! He needed to climb a mountain to his friend king thunder horn the letter was from him. He used to be a elf and the a reindeer. His sister is princess emerald. I won't tell you any more. You should try to read it!!! If I could be any character in this book I would be Princess emreld
