From the reviews: "The book covers the full range of topics from basic principles of hair biology to rare genodermatoses that manifest as hair disorders. ... an effective didactic tool that can serve a wide variety of learners, from medical students to practicing clinicians and researchers. ... this book serves its purpose of providing up-to-date information on these topics as well as a good overview of the diagnosis and treatment of patients with various hair and scalp conditions." (Ashley R. Curtis and Amy J. McMichael, The New England Journal of Medicine, March, 2009)