Articles in this special issue include the following: "Learning to Write in a Second Language: Two Decades of Research" (Alister Cumming); "Some Steps Towards a Socio-Cognitive Interpretation of Second Language Composition Processes" (Julio Delarios Roca, Liz Murphy Liz); "Trends in the Conceptualizations of Second Language Composing Strategies: A Critical Analysis" (Rosa M. Manchon); "Factors Relating to EFL Writers' Discourse Level Revision Skills" (Hiroe Kobayashi, Carol Rinnert); "Age-Related Differences in the Development of Written Production. An Empirical Study of EFL School Learners" (Rosa M. Torras, M. Luz Celaya); "Word Processing and Second Language Writing: A Longitudinal Case Study" (Jiang Li, Alister Cumming); "Targeting L2 Writing Proficiencies: Instruction and Areas of Change in Students' Writing Over Time" (Alasdair Archibald); "The Influence of Prior Experience on the Construction of Scoring Criteria for ESL Composition: A Case Study" (Usman M. Erdosy); "Material, Educational, and Ideological Challenges of Teaching EFL Writing at the Turn of the Century" (Ilona Leki); and "Twenty-Five Years of Scholarship on Second Language Composing Processes: 1976-2000" (Tony Silva, Colleen Brice, Jessie Kapper, Paul Kei Matsuda, Melinda Reichelt). (Individual papers contain references.) (SM)