From the Hubble telescope that was launched with a defective device resulting in all the photos it took being blurry, to the extremely delayed completion of England's new national football stadium at Wembley, history is filled with examples of projects that harmed organizations due to delayed deliveries, budget overruns, failures to achieve their purposes, or complete destruction. This guide explains the principles and techniques of project management and how these relate to the day-to-day management of a business. It is a valuable manual for supporting businesses in delivering successful project outcomes and achieving lasting benefits through effective change.