The book presents a comprehensive compilation of classical myths and legends. It draws from ancient Greek, Roman, and Norse traditions, organizing them into accessible narratives that explore the origins of the world, the exploits of gods and heroes, and the foundational stories of Western civilization. The text aims to provide a clear and engaging introduction to these enduring tales for a modern audience.

This compilation is widely regarded as a foundational text for understanding classical mythology. Its enduring popularity stems from Bulfinch's clear prose and systematic organization of complex narratives. The work serves as an accessible entry point for readers new to the subject, while also offering a valuable reference for those seeking to deepen their knowledge of ancient myths and their cultural impact. The 21st Century Reference edition likely aims to maintain this accessibility for contemporary readers.