Birth Stress and Intrauterine Factors. Birth Stress and Left-Handedness: The Rare Trait Marker Model (S. Coren and A. Searleman). Non Right-Handedness and the Continuum of Reproductive Casualty (P. Bakan). Left-Handedness and Prenatal Complications (M. Schwartz). Intrauterine Factors in Sinistrality: A Review (M. Habib, F. Touze and A.M. Galaburda). Physiological and Genetic Factors. Laterality in Hemiplegic Children: Implications for the Concept of Pathological Left-Handedness (M. Hiscock and C.K. Hiscock). The Neuroanatomy of Atypical Handedness in Schizophrenia (P. Satz, M.F. Green, S. Ganzell, G. Bartzokis, A. Bledin and J.F. Vaclav). Phenotype in Normal Left-Handers: An Understanding of Phenotype is the Basis for Understanding Mechanism and Inheritance of Handedness (M. Peters). Environmental Factors. Cultural Influences on Handedness: Historical and Contemporary Theory and Evidence (L.J. Harris). Switching Hands: A Place for Left Hand Use in a Right Hand World (C. Porac, L. Rees and T. Buller). Cognitive, Spatial and Language Ability Implications. Mental Retardation and Left-Handedness: Evidence and Theories (M.-E. Pipe). Handedness, Sex, and Spatial Ability (R.S. Lewis and L.J. Harris). Handedness and Its Relationship to Ability and Talent (M.W. O'Boyle and C.P. Benbow). Familial Sinistrality and Cerebral Organization (W.F. McKeever). Psychological and Spatial Implications. Sinistrality and Psychopathology (P. Flor-Henry). Autism and Anomalous Handedness (S.E. Bryson). Left-Handedness and Alcoholism (W.P. London). Left- and Mixed-Handedness and Criminality: Explanations for a Probable Relationship (L. Ellis). Laterality and Longevity: Is Left-Handedness Associated with a Younger Age at Death? (D.F. Halpern and S. Coren). Indexes.