The new edition of Nelson's text appears five years after his first revision of Mitchell's textbook. The extensive changes are notable in the size of the book, which is now 300 pages larger than the previous edition. The number of contributors has increased from 49 to 63.
Many sections are new or completely rewritten. Especially well done are those on growth and development, congenital malformations, parenteral fluid therapy, congenital heart disease, inborn errors of metabolism, infection, immunity and allergy. The section on mental growth and development has been revised by Dr. Milton J. E. Senn, who has included a new section on psychological aspects of adolescence. Increased attention is given to hearing defects and the eye. Surgical treatment of congenital heart disease is presented by Willis Potts.
Material on pediatric anesthesia, while included, is sketchy and the subject could well be discussed in more detail. While an excellent section is