Book excerpt: Hair Transplant Surgery and Platelet Rich Plasma: Evidence-Based Essentials is a high-level, focused guide poised to become a landmark text for any surgeon interested in learning about and treating hair restoration. Going beyond anecdotal and popularized treatments commonly found online, this text reviews evidence-based treatment options with demonstrated success to provide tailored and optimal results for patients. The content reviews essential topics for understanding of hair loss, the natural cycle of hair regrowth, and medical factors to consider in creating a treatment plan. Postoperative patient instructions and realistic patient expectations are discussed as well as risks and patient selection criteria. Authors also detail pearls and pitfalls for achieving desired results and avoiding rare complications.