The Interventional Cardiology World is a basic but exhaustive manual treating the most diffuse tools and techniques on coronary artery disease invasively managed represented by basic coronary angiography, the most recent functional studies, namely fractional-flow reserve(FFR) and istant-Wave Free ratio(iFR), intravascular ultrasound analysis, optical coherence tomography study but also the newer bioresorbable devices and drug-coated ballons application seen by reknowed Experts on the matter.