This text investigates the evolution and impact of avant-garde theatrical movements over a century of radical experimentation. Christopher Innes, a noted scholar of modern drama, utilizes a historical framework to analyze how playwrights, directors, and designers challenged traditional stage conventions. The book argues that the avant-garde was not a singular style but a series of reactive shifts against realism, deeply influenced by broader cultural and political upheavals between 1892 and 1992.

Experts frequently cite this work as a foundational text for understanding the trajectory of twentieth-century experimental performance. Readers often note the academic density of the prose, which provides a rigorous examination of complex theatrical theories for students and practitioners alike.