RARE revised and expanded edition of "Instrumental Enrichment: An Intervention Program for Cognitive Modifiability" by an eminent Israeli clinical, developmental, and cognitive psychologist Reuven Feuerstein (1921-2014), known for his theory of `modifiable intelligence`. This second edition of "Instrumental Enrichment" provides an enhanced theoretical background and presents practical applications of Feuerstein`s theories of Mediated Learning Experience and Structural Cognitive Modifiability than envisaged in the first edition. 275x220mm. XVIII+476 pages. Hardcover. Cover corners and spine edges/hinges slightly bumped. Ex-library copy with sticker on spine bottom edge and stamps. [SUMMARY]: This extremely rare updated edition of a comprehensive manual for improving learning skills of mildly retarded and culturally disadvantaged adolescents, of immense importance interest to teachers, psychologists, social policy makers, parents and students alike, is in good condition.