Child Heal&h and Develpment. 3rd ed. Edited by R. W. B. ELL-s. (Pp. ix-485; 93 figures-30 tables. 56s.) London: Churchill. 1962. This new edition of Professor Ellis's well-known book is published six years after the previous edition and much of the material is new. Part I covers normal development from conception to maturity. Part 1I is entitled-Social Aspects of Child Health' and includes chapters on the various child health services, education and juvenile courts. Normal biological values and legislation concerning children are the subjects of two appendices. The editor has assembled a team of 16 experts from widely differing fields to assist him in this work. Such names as Mildred Creak, Professor F. A. E. Crew