Book excerpt: This issue of Oral and Maxillofacial Surgery Clinics of North America focuses on Evaluation of the Surgical Margin, and is edited by Drs. Joshua E. Lubek and Kelly Magliocca. Articles will include: Understanding the Surgical Margin: A Pathologist’s Perspective; Understanding the Surgical Margin: A Molecular Assessment; Margin Analysis: Squamous Cell Carcinoma of the Oral Cavity; Margin Analysis: Squamous Cell Carcinoma of the Oropharynx; Bone Margin Analysis: Segmental Versus Marginal Resection in Malignant Disease; Bone Margin Analysis for Benign Odontogenic Tumors; Bone Margin Analysis for Osteonecrosis and Osteomyelitis of the Jaws; Margin Analysis: Malignant Salivary Gland Neoplasms of the Head and Neck; Margin Analysis: Benign Salivary Gland Neoplasms of the Head and Neck; Margin Analysis: Cutaneous Malignancy of the Head and Neck; Margin Analysis: Sarcoma of the Head and Neck; Has Reconstruction Improved Tumor Surgery Outcomes?; and more!