The book is a typological study of grammatical roles, such as agent, patient, beneficiary, and of grammatical relations, such as subject (direct) and indirect object. In addition it is concerned with the devices, such as the passive, that alter the identities in such roles and relations. Its objective is to suggest a consistent and reasonably…

Research on reading has tried, and failed, to account for wide disparities in reading skill even among children taught by the same method. Why do some children learn to read easily and quickly while others, in the same classroom and taught by the same teacher, don't learn to read at all? In "Language Development and Learning to Read", Diane…