The Essentials of Political Analysis (Fifth Edition)
Political Science Research Methods
Writing a Research Paper in Political Science: A Practical Guide to Inquiry, Structure, and Methods
The Fundamentals of Political Science Research
Writing a Research Paper in Political Science: A Practical Guide to Inquiry, Structure, and Methods, 2nd Edition
Empirical Political Analysis, 8th Edition
The Essentials of Political Analysis
Working with Political Science Research Methods Problems and Exercises (Fourth Edition)
The Essentials of Statistics: A Tool for Social Research
Congress and Its Members (Sixteenth Edition)