Essays on Software Engineering . Addison-Wesley Publishing Company, 1975. This is the classic work on how to manage a large project.
Many more people claim to have read the book than actually implement what it prescribes.
How to Make Your Advertising Make Money. The Effective Executive . An excellent book on time management for the executive. It was written during a time when essentially all managers were men, so ladies should be forewarned that a couple examples would be considered sexist by today's standards. Currently available in the 8th edition or greater.