This volume serves as a comprehensive biographical reference guide to the professional cricketers active in the English county circuit during the 1991 season. The author, Iain Sproat, compiles detailed profiles for players, providing a snapshot of the sporting landscape at the time. The text functions as a primary record of individual statistics, career trajectories, and personal data for those participating in the sport during this specific historical window.

The subject matter points to a specialized reference text intended for cricket historians, statisticians, and dedicated followers of the sport. The framing suggests a dense, data-driven resource that provides a snapshot of the professional game during the 1991 season.