The fourth volume in a series on communication and language intervention focuses on specific language impairments in children, and contains papers presented at a 1992 conference. Papers include the following: "Specific Language Impairments in Children: An Introduction" (Ruth V. Watkins); "Studies of Genetics of Specific Language Impairment" (J. Bruce Tomblin, Paula R. Buckwalter); "From Families to Phenotypes: Theoretical and Clinical Implications of Research into the Genetic Basis of Specific Language Impairment" (Martha B. Crago, Myrna Gopnik); "Grammatical Challenges for Children with Specific Language Impairments" (Watkins); "Grammatical Categories of Children with Specific Language Impairments" (Mabel L. Rice); "Some Problems Facing Accounts of Morphological Deficits in Children with Specific Language Impairments" (Laurence B. Leonard); "Cognitive Abilities of Children with Language Impairment" (Judith R. Johnston); "Social Competence and Language Impairment in Children" (Martin Fujiki, Bonnie Brinton); "Early Identification of Reading Disabilities in Children with Speech-Language Impairments" (Hugh W. Catts, Chieh-Fang Hu, Linda Larrivee, Linda Swank); and "Reconsideration of IQ Criteria in the Definition of Specific Language Impairment" (Marc E. Fey, Steven H. Long, Patricia L. Cleave). (MSE)