Torchlight by Robert Louis Stevenson III Book

Has an old label on it as seen in the picture. Also has a taped corner.
An international arms dealer named Gerhardt has found a World War I shipwreck containing a billion dollars in gold. He hires an experienced diver, Jack Henderson, to bring the coins up but it’s a dangerous job. He convinces them to hire an old friend, Philip Drake, who is one of the best deep sea divers in the world. They are also ex-navy seals working for the U.S government to stop Gerhardt who plans to use the money to buy nuclear weapons from Russia.