This book serves as a comprehensive index for London theatre productions in the year 1981. Authored by Ian Herbert, a recognized authority in theatre history, this index compiles detailed information on plays, musicals, and other stage performances staged in London during that specific year. It aims to provide a structured and accessible reference for researchers, historians, and enthusiasts of theatrical arts, cataloging key details of the era's dramatic output.

As a specialized index, this work is likely valued by theatre historians, archivists, and academics for its detailed cataloging of a specific year's theatrical activity. Its utility lies in providing a precise and organized record, essential for scholarly research into the London stage of 1981. The publication's nature as an index suggests a factual and comprehensive approach, serving as a foundational resource for understanding the period's dramatic landscape.