Routledge is now re-issuing this prestigious series of 204 volumes originally published between 1910 and 1965. The titles include works by key figures such asC.G. Jung, Sigmund Freud, Jean Piaget, Otto Rank, James Hillman, Erich Fromm, Karen Horney and Susan Isaacs. Each volume is available on its own, as part of a themed mini-set, or as part of a specially-priced 204-volume set. A brochure listing each title in the "International Library of Psychology" series is available upon request.

This is Volume XXI of twenty-one of the Individual Differences Psychology series. First published in 1930 this essay looks to understand the conversion of the child as he is into the adult and purports to be a reasoned protest against this practice of disparagement, to challenge the assumptions, and to expose the habits of thought which account for it, and to examine typical recent instances.