From Richard Zacks, bestselling author of Island of Vice and The Pirate Hunter, a rich and lively account of how Mark Twain's late-life adventures abroad helped him recover from financial disaster and family tragedy--and revived his world-class sense of humor Mark Twain, the highest-paid writer in America in 1894, was also one of the nation's worst investors. "There are two times in a man's life when he should not speculate," he wrote. "When he can't...