This reference work investigates the most influential and memorable spoken and written expressions that defined the cultural and political landscape of the twentieth century. Nigel Rees, a noted expert in the study of language and popular culture, compiles a vast array of citations to track the evolution of modern discourse. The book utilizes a structured, alphabetical arrangement to provide context, attribution, and historical significance for each entry, serving as a comprehensive resource for researchers and casual readers alike.

The work is regarded as a reliable and accessible reference tool for those interested in the linguistic history of the modern era. Its systematic organization and focus on verified attribution make it a standard resource for scholars and writers seeking to anchor their work in historical accuracy.