This practical guide presents the principles and techniques of ultrasound guided brachial plexus block in 11 chapters that focus on the following regions- interscalene, supraclavicular, infraclavicular, axillary, mid humeral and peripheral nerves.  Each chapter covers the anatomy, scanning technique and anatomical correlation, nerve localization, needle insertion approach, local anesthetic injection, clinical pearls, catheter insertion, image gallery, video gallery and selected references.