The manual was compeleted in 1979. A large portion of it is devoted to the suggested methods of conducting investigations and litigation that the Division has employed successfully in the past. A brief description of the organization of the Department of Justice and the Antitrust Division is given. The text or a summary is provided for each of the major statutes that the division enforces or employs in its mission, as well as the major policy guidelines that the division has issued. Also presented is a guide to the division's procedures and practices in conducting investigations, including a comprehensive analysis of the premerger notification rules, the issuance of civil investigative demands, and the conduct of grand jury investigations. The manual provides a guide to various problems that may develop in the course of litigation, and discusses the use of temporary restraining orders and preliminary injunctions, the civil discovery techniques employed in depositions, interrogatories and document requests, and the major areas of litigation strategy involving criminal cases. It presents a description of the division's regulatory activities, including the philosophical and methodological basis for the division's competition advocacy policy. A full guide is given to the information resources available to the investigator and litigator, and to the manner in which division professionals can make use of these resources in structuring and planning an investigation. The division's relationships with other agencies and individuals are explained, including the Federal Trade Commission, U.S. Attorneys, State attorneys general, foreign Governments, the Congress, the press, and the public. A guide to other useful materials and to a bibliography of publications is also presented. (Author abstract modified)