When two unlikely friends build a vessel capable of taking them to the bottom of the ocean find a missing treasure—the truth turns out to be far more amazing.
- ISBN: 9780735843226
- Author: Kuhlmann, Torben
- Published: 2018 , NorthSouth Books
- Themes: action and adventure, Boats and ships, Mice, Western Europe
- Descriptors: Europe, Fiction, Germany, Mystery and Thriller, Primary (ages 6-9)
- No. of pages: 112