The Library subscribes to an ebook package called Sage Catalyst which has a collection all about Research Methods. Below are a few examples of books related to qualitative research methods:
Creswell, J.W. and Poth, C.N. (2024) Qualitative inquiry & research design : choosing among five approaches. Fifth edition / John W. Creswell, Cheryl N. Poth. Thousand Oaks, California: Sage.
Saldaña, J. (2024) Developing theory through qualitative inquiry. 1st edition. Thousand Oaks: SAGE Publications Ltd.
We have many other research methods resources in our collections though. Below are a few examples but you'll find others on Library Search.
‘Participant Observation’ (2022) in Doing Field Projects. Hoboken, NJ, USA: John Wiley & Sons, Inc, pp. 94–99 [Book Chapter]