Book excerpt: This collection helps students and researchers understand the foundations of writing center studies in order to make sound decisions about the types of methods and theoretical lenses that will help them formulate and answer their research questions. In the collection, accomplished writing center researchers discuss the theories and methods that have enabled their work, providing readers with a useful and accessible guide to developing research projects that interest them and make a positive contribution. It introduces an array of theories, including genre theory, second-language acquisition theory, transfer theory, and disability theory, and guides novice and experienced researchers through the finer points of methods such as ethnography, corpus analysis, and mixed-methods research. Ideal for courses on writing center studies and pedagogy, it is essential reading for researchers and administrators in writing centers and writing across the curriculum or writing in the disciplines programs.