SAGE Research Methods: The Little Blue Books This link opens in a new windowThe Little Blue Books, SAGE's well-known Qualitative Research Methods series, provide short, in-depth, and accessible treatments of specific qualitative methods. They provide clear explanations and commentary on theoretical and practical considerations in qualitative research, appropriate for use at all levels of research, across the spectrum of academic disciplines. The Little Blue Books address topics like writing up qualitative research, participatory action research, feminist fieldwork analysis, discourse analysis, and ethnography.