Book reviewed in this article:The Appraisal of Intelligence: A. W. Heim.Education and the Modem Mind: W. R. Niblett.Sigmund Freud, Life and Work, Volume 1—The Young Freud, 1856–1900: ErnestJones.Marriage Failures and the Children: ClaudeMullins.The Abilities of Babies: RuthGriffiths.Geometry of Mental Measurement: SirGodfreyH. Thomson.The Doctrines of the Great Educators: R. R. R