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 III of thirty-two in the Developmental Psychology series. Initially published in 1917, in this book an attempt has been made to discuss practical aspects of special abilities and disabilities, to offer in detail methods of attacking problem-cases, and to present various types, both (a) of particular disabilities in those who have normal general ability and (b) of particular abilities in those who are below normal in general capacities.