Book excerpt: In this issue of Heart Failure Clinics, Guest Editors Giuseppe Limongelli and Eduardo Bossone bring their considerable expertise to the topic of rare cardiovascular diseases. Top experts in the field cover key topics such as coronary artery dissection, genetics in congenital heart disease, HCM in Rasopathies, and more. Provides in-depth, clinical reviews on Rare Cardiovascular Diseases, providing actionable insights for clinical practice. Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field; Authors synthesize and distill the latest research and practice guidelines to create these timely topic-based reviews. Contains 17 relevant, practice-oriented topics including The influence of genotype on the phenotype, clinical course, and risk of adverse events in children with Hypertrophic cardiomyopathy; Unravelling the genetic background in heritable and non-heritable BAV: a long roadmap; The risk of sudden unexpected cardiac death in children: epidemiology, clinical causes, and prevention; The renal involvement in patients with storage and infiltrative cardiomyopathies; and more.