The Jungle [with Biographical Introduction] and over one million other books are available for Amazon Kindle. Learn more From a general summary to chapter summaries to explanations of famous quotes, the SparkNotes The Jungle Study Guide has everything you need to ace quizzes, tests, and. The Jungle is a 1906 novel written by the American journalist and novelist Upton Sinclair (1878–1968). Sinclair wrote the novel to portray the harsh conditions and. The Jungle has 104,055 ratings and 4,467 reviews. Robert said: Naturally, my high school English teacher felt it necessary to assign The Jungle to read. The Jungle by Upton Sinclair was one of the most important books I ever read while growing up as a young man. I happened upon it at that point in time when my.