The sheer number of books and resources on social science methods and statistics is overwhelming. You should read any text that appeals to you (language, style, more or less mathematical etc) and uses, whenever possible, examples from your field(s) of interest. The references below have been chosen for their didactical qualities.

• Blalock, Ann B., and Hubert M. Blalock. 1982. Introduction to Social Research. Prentice-Hall.
• Blalock, Hubert M. 1982. Conceptualization and Measurement in the Social Sciences. Beverly Hills: SAGE Publications, Inc.
• Goertz, Gary. 2005. Social Science Concepts: A User’s Guide. Princeton University Press.

• Tabachnick, Barbara G., and Linda S. Fidell. 2019. Using Multivariate Statistics. 7th ed. Pearson.
• McIver, John, and Edward Carmines (1981). Unidimensional Scaling. Sage.
• Kim,Jae-On &amP; Mueller, Charles W.(2015) Introduction to Factor Analysis: What It Is and How to Do It. Sage.
• Lewis-Beck, Colin & Lewis-Beck, Michael S. (2015). Applied Regression: An Introduction. Sage
• Schroeder,Larry D., Sjoquist, David L., Stephan, Paula E. (2017). Understanding Regression Analysis: An Introductory Guide. Sage.

• Introductions to statistics
• Learning statistics: More advanced techniques