This text investigates the foundational questions of moral philosophy by examining the validity of ethical theories and their application to human conduct. Steven M. Cahn, a prominent philosopher and educator, compiles a rigorous selection of primary source material to challenge readers to evaluate their own moral frameworks. The book utilizes a structured pedagogical approach to guide students through the complexities of normative ethics, meta-ethics, and applied moral dilemmas.

Academic reviewers frequently cite this volume as a standard introductory text for undergraduate philosophy courses due to its clear organization and balanced selection of readings. Experts highlight the text's effectiveness in providing a neutral, comprehensive foundation for students beginning their study of moral reasoning.