In the early part of the twentieth century, Upton Sinclair earned a reputation as a prolific writer, committed socialist, and political activist. He gained enormous popularity when his eloquent 1906 novel The Jungle exposed conditions in the U.S. meat-packing industry, and years later, he earned a Pulitzer Prize for his series tale, Dragon's Teeth. In The Money Changers, Sinclair explores the Wall Street panic of 1907 in novel form, exposing greed and corruption within the American system....