1. They all explored the ship wreck.
2. They found many dried seaweed in it.
3. They saw cabins of the sailors back then.
4. They found a shelf.
5. To open the shelf, George used a pocket-knife.
6. Inside were old books and a box, the box was the most interesting.
7. They tried to open it but they couldn't.
8. They went back to Kirrin cottage to open it.
9. They dropped the box from the roof down.
10. Uncle Quentin saw it and took it from them.