Four master neurosurgeons bring a wealth of collective neurosurgical and neuroendovascular experience to this remarkable reference book, which melds a detailed anatomical atlas with clinical applications. The authors provide case reviews and pearls that demonstrate how anatomy impacts clinical practice decisions for aneurysm, stroke, and skull-base disease. Highlights: Comprehensive variations of the vasculature at the Circle of Willis, cortical branches, and secondary arteries Range and average measurements of the most critical vessels Hundreds of color photographs elucidate precise anatomical cadaver dissections Exquisite illustrations by Paul H. Dressel This richly illustrated, comprehensive anatomical resource is a must have for neurosurgeons, neuro-radiologists, and neurologists. Whether you are a practicing clinician or resident, reading this book will greatly expand your "vision" and sharpen your perception.