Fredricka L. Stoller is Professor of English at Northern Arizona University, where she teaches in the MA-TESL and Ph.D. in Applied Linguistics programs. Her professional areas of interest include L2 reading, disciplinary writing, language program administration, project-based learning, content-based instruction, and language teaching methodology and curriculum design. Mary Ann Christison, Ph.D. is a professor in the Department of Linguistics and the urban Institute for Teacher education at the University of Utah in Salt Lake City, USA where she teaches courses at the undergraduate and graduate levels for M.A. and Ph.D. students. She is the author of over 85 published and refereed articles and 20 professional books.