This volume investigates the comprehensive historical record and statistical evolution of the Chicago Cubs baseball franchise. Author Art Ahrens, a recognized baseball historian and researcher, compiles decades of data to provide a definitive reference for the team's performance. The work utilizes box scores, archival records, and chronological summaries to establish a clear framework for understanding the team's development from its inception through the publication period.

Experts and sports historians frequently cite this work as a reliable reference for tracking the long-term statistical trends of the Chicago Cubs. Readers often note the density of the data, which serves as a foundational resource for those interested in the quantitative history of the franchise.