PEDIATRIC OTOLARYNGOLOGY has long been a definitive work in the ENT field. For the fourth edition, Dr. Bluestone has added several new co-editors; new authors for the 20% new material; highlights and algorithms for improved readability; and, of course, the most recent and up-to-date procedures and sources. New chapters cover topics such as developmental milestones, the syndromic child, thyroid diseases and disorders, imaging of the head and neck, preoperative evaluation of the child, and much more.