Rebecca Day Babcock (Ph.D., Indiana University of Pennsylvania) is William and Ordelle Watts Professor and Chair, Literature and Languages Department, University of Texas of the Permian Basin. She is the author of two other books on writing center research, the co-editor of Writing Centers and Disability, and the winner of the 2012 IWCA outstanding article award.

Terese Thonus (Ph.D., Indiana University) is Professor and Director of the Writing Program, Klein Family School of Communications Design, University of Baltimore. She has published articles in writing center and applied linguistics journals.

Acknowledgments - List of Tables - Chapter One: Theory, Practice, and What's in Between: Writing Center Scholarship - Research Basics in Evidence-Based Practice - The Contexts of Tutoring - Tutoring Diverse Populations - The Interactions of Tutoring - A Sample Research Question: What Is a Successful Writing Tutorial? - An Agenda for Writing Center Research - Appendix A: Sample Informed Consent Form - Appendix B: Sample IRB Form - Author Index - Topic Index.