Book reviewed in this article:Mongolism. A study of the Physical and Mental Characteristics of Mongolian Imbeciles.By KateBrousseau.Difficulties in Child Development.By MaryChadwickThe History of Tattooing and its Significance (with some account of other forms of corporal marking).By W. D. Hambly, B.Sc. OxonEpilepsy.By L. J. J. Muskens