Providing a foundation in which researchers may build future research and theory and in which teachers may design more effective classroom practice, this book presents 12 essays that bring together the contributions of researchers and teacher-scholars to present the significant theory and research related to the writing process. The book is divided into 5 sections: Part One focuses on the development of writing; Part Two addresses the relationship of writing to reading and the ways to which readers effectively respond to informational prose; Part Three discusses the need for development of vocabulary and the technical aspects of writing; Part Four describes the research and theory that inform classroom instruction; and Part Five examines three aspects of a portfolio approach to writing assessment. Essays in the book are: (1) "A New Framework for Understanding Cognition and Affect in Writing" (John R. Hayes); (2) "Writing and the Sea of Voices: Oral Language in, around, and about Writing" (Anne Haas Dyson); (3) "Emergent Writing: A Discussion of the Sources of Our Knowledge" (Judith A. Schickedanz); (4) "Alternative Models of Writing Development" (Arthur N. Applebee); (5) "Writing and Reading Relationships: Constructive Tasks" (Judith A. Langer and Sheila Flihan); (6) "Responding to Informative Prose" (Bonnie B. Armbruster); (7) "Just the Right Word: Vocabulary and Writing" (Dale D. Johnson); (8) "Mental Processes and the Conventions of Writing: Spelling, Punctuation, Handwriting" (Richard E. Hodges); (9) "Writing across the Curriculum" (Richard T. Vacca and Jo Anne L. Vacca); (10) "Teaching Writing in Urban Schools: Cognitive Processes, Curriculum Resources, and the Missing Links--Management and Grouping" (James Flood and Diane Lapp); (11) "Writing and Communication Technologies" (Colette Daiute); and (12) "Writing Portfolios: Activity, Assessment, Authenticity (Robert C. Calfee). Appendixes contain "Rhetoric and Research on Class Size" (Edmund J. Farrell and Juli.