Why does Mr. Justice Wargrave believe that Soldier Island was news?

There are afew different reasons that Justice Wargrave thought the island was newsworthy;

• It was purchased by an American millionaire.

• A huge, beautiful home was built on the island and featured in the news.

• The millionaire's wife had been killed in a boating accident.

• The millionaire put his real estate on the market, and it was sold to a Mr. Owens.