NVivo is just one of many software packages available that can help you with qualitative data analysis. Keep track of all data associated with your project, code your data, create models to help organize your research, run queries on your coded data, create charts and reports for sharing with others...
In the Library's Omni tool by Subject under Qualitative Research to find books in the collection, including:
Dictionary of qualitative inquiry by Thomas A Schwandt
Encyclopedia of evaluation edited by Sandra Mathison
Doing qualitative research : a comprehensive guide by David Silverman and Amir Marvasti