"I pescatori di trepang" by Emilio Salgari is a novel written in 1896. Captain Van Stael and his crew venture to the dangerous Australian coast in search of trepang, a precious mollusk that promises great wealth. When fierce aboriginal tribes attack and kill most of the crew, only the captain's three nephews survive with help from a young indigenous man they once rescued. Together, they must navigate treacherous waters, unknown islands, and deadly encounters to make their way home alive.