Dr. Scher is a leading expert in nail disorders, including fungal diseases, and nail surgery. He is interested in clinical research, and has established nail clinics at NYU, Brown, Columbia University, and University of North Carolina. Additionally, he is a former President of the American Academy of Dermatology. Dr. Scher received his medical education at Howard University College of Medicine, and trained as a resident in dermatology at New York University.

C. Ralph Daniel, III, M.D. has been in private practice and a member of the clinical staff at the University of Mississippi Medical Center, Jackson, MS, where he has also held the position of Clinical Professor of Medicine (Dermatology) at that institution from 1991. As of 2005, Dr. Daniel has also served as Clinical Associate Professor of Dermatology at the University of Alabama, Birmingham. Dr. Daniel has served in numerous leadership positions in the American Academy of Dermatology, including asa member of the editorial board of the Journal of the AAD and the Bioterrorism Task Force. Dr. Daniel is author or co-author of over 100 publications, among which are dermatology texts, book chapters and articles. Dr. Daniel holds an M.D. from the University of Mississippi. Adam I. Rubin, MD is Assistant Professor of Dermatology, Assistant Professor of Dermatology in Pediatrics and Assistant Professor of Pathology and Laboratory Medicine at the University of Pennsylvania. He holds memberships of American Academy of Dermatology, Council for Nail Disorders, European Nail Society, Society for Pediatric Dermatology, American Medical Association, The American Society of Dermatopathology and The International Society of Dermatopathology.

SECTION ONE - SIGNS AND SYMPTOMS- Nail Signs and Symptoms.- SECTION TWO - THE NORMAL NAIL- Historic Aspects of Nail Disease.- Structure and Function of the Nail Unit.- SECTION THREE - DIAGNOSTIC TECHNIQUES - An Approach to Initial Examination of the Nail.- Subungual Exostosis, Nail Disease and Radiologic Considerations.- Histopathology.- SECTION FOUR - THE ABNORMAL NAIL- Pigmentation Abnormalities.- Brittle Nails.- Simple Onycholysis.- Simple Chronic Paronychia.- Dermatological Diseases.- Onychomycosis.- Podiatric Approach to Onychomycosis.- Nonfungal Infections and Acute Paronychia.- Nails in Systemic Disease.- Systemic Drugs.- Tumors of the Nail Apparatus.- Occupational Nail Disorders.- Disorders of the Nail Unit due to Podiatric Biomechanical Considerations.- Nail Cosmetics: The Benefits and Pitfalls.- Pediatric Diseases.- Nails In Older Individuals.- SECTION FIVE - THERAPEUTIC TECHNIQUES - Basic and Advanced Nail Surgery (Part 1: Principles and Techniques) .- Basic and Advanced Nail Surgery (Part 2: Indications and Complications) .- Glossary.