This issue of Interventional Cardiology Clinics, edited by Matthew J. Price, is devoted to Intravascular Imaging. Dr. Price assembled a group of expert contributors to review the following topics: IVUS for the assessment of coronary lesion severity and optimization of PCI, IVUS for the diagnosis and treatment of left main coronary artery disease, Fundamentals of OCT: image acquisition and interpretation, Technique and Best Practices for Intracoronary OCT, Assessment and quantitation of stent results by intracoronary OCT, PCI planning and optimization with intracoronary OCT, Advances in Automated Assessment of Intracoronary OCT and Their Clinical Application, Diagnosis and evaluation of stent thrombosis using OCT, Acute and long-term evaluation of bioresorbable scaffolds by OCT, Role of OCT in the diagnosis, evaluation, and management of spontaneous coronary artery dissection, and Neointimal Coverage after Drug-Eluting Stent Implantation: Insights from Optical Coherence Tomography.