Ida M. Tarbell's muckraking exposé of Standard Oil remains a classic of Progressive-era American history. Tarbell explores the rise of the "octopus" led by John D. Rockefeller as it sought to build an oil Trust which came to dominate the oil industry in the U.S. and became an important player in the international market as well.

This unexpurgated edition contains the complete text with errors and omissions corrected.