In Dar Academic for publishing and distributing, the book of Assist Prof. Dr. Hazem Hamad Musa Al-Janabi, Dept. of International Relations, has recently published, titled (Introduction to the Science of Strategy: A Triple Study (Concepts, Theories, and Norms), it addresses the concepts of strategic studies that root the science of strategy, also focused on geopolitical, geo-economic, security, and military strategic and international strategic performance theories, as well as the norms by which the power of states is measuring. In addition, it is interesting for scholars, researchers, and specialists in strategic studies.