Book excerpt: In this issue of Urologic Clinics of North America, guest editor Dr. Michael Hsieh brings his considerable expertise to the topic of Infections in Urology. Top experts in the field provide a unique look at treatment of common and uncommon bacterial infections, as well as how to diagnose and treat infection-prone patients and those with comorbidities and chronic conditions. This issue is a valuable update not only for urologists, but also for primary care and infectious disease physicians. Contains 14 relevant, practice-oriented topics, including treatment of fungal urinary tract infections; clinical microbiome testing for urology; manipulating the gut microbiome in urinary tract infection-prone patients; urinary tract infections and bacteriuria in pregnancy; and more. Provides in-depth clinical reviews on infections in urology, offering 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 clinically significant, topic-based reviews.