This ebook is about the the ITPfM — Integral IT Portfolio Management Methodology in which the Author, Arthur de Niet, provides an introduction in the ITPfM methodology with different models (Integral Value/Cost model) to help getting back control on IT both on value and costs by identifying IT portfolios that support a specific business process. This ebook contains a Self Assessment that helps the reader to quickly determine the level of control on his/her IT components and costs.