This collection investigates the intersection of individual artistic performance and the cultural impact of specific theatrical productions through the lens of a prominent critic. Kenneth Tynan, a highly influential English drama critic and producer, utilizes his extensive background in the theater industry to curate a series of observations. He presents a framework that prioritizes the visceral experience of live performance, arguing that the merit of a production is found in its ability to elicit genuine enthusiasm and provoke intellectual engagement from its audience.

Critics and theater historians frequently cite this work as a definitive example of Tynan's sharp, opinionated prose style. Experts highlight the book as a valuable primary source for understanding the mid-century British theatrical landscape and the subjective nature of dramatic criticism.