Is literacy a social and cultural practice, or a set of cognitive skills to be learned and applied? Literacy researchers, who have differed sharply on this question, will welcome this book, which is the first to address the critical divide. The authors lucidly explain how we develop our abilities to read and write and offer a unified theory of literacy development that places cognitive development within a sociocultural context of literacy practices. Drawing on research that reveals connections between literacy as it is practiced outside of school and as it is taught in school, the authors...