This book investigates the enduring power and evolution of Norse mythology across centuries and various cultural expressions. Heather O'Donoghue, an expert in Old Norse culture, traces the impact of these myths from their Viking-age origins through medieval literature, Wagnerian opera, and contemporary popular culture, including comics and music. The book distinguishes between the original forms of the myths and their later interpretations, adaptations, and transformations, examining their influence on the Western mind in literature, art, music, and politics.

The book is presented as a comprehensive exploration of Norse mythology's lasting influence, highlighting its adaptability across different eras and media. It aims to provide a scholarly yet accessible account of how these ancient stories continue to resonate. The author's expertise in Old Norse culture suggests a well-researched and authoritative perspective on the subject. The broad range of examples indicates an intention to demonstrate the pervasive nature of Norse myth in Western culture.