in the jungle

The Jungle is a novel by American author and journalist Upton Sinclair, who was known for his efforts to depict corruption in government and business in the early 20th century. In 1904, Sinclair spent seven weeks gathering information in the meat packing district of the Union Stock Yards in Chicago for the socialist newspaper Appeal to Reason, which published his novel in serial form in 1905. In 1906, the novel was published in book format by Doubleday.