This text is intended for those who wish to assess the value of project network techniques (PNT) in dealing with their own problems and for those who wish to put the technique into practice. This revised edition discusses resource analysis and contains a chapter on practical considerations which has been prepared setting out day-to-day practice which the authors have found useful. In addition the chapter on control of cash has been amplified and the line of balance chapter now includes discussion of the elemental trend analysis technique. The Solutions Manual has been converted into a lecturer's manual whose purpose is to help tutors by reducing the time taken in the drawing of networks. The manual contains A4-size drawings of the key diagrams in the text and all the answers to the quesitons.