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