This work investigates the origins and development of the Symbolist movement and its profound impact on the trajectory of twentieth-century literature. Edmund Wilson, a prominent American critic, utilizes his extensive knowledge of European intellectual history to trace how the aesthetic principles of the late nineteenth century evolved into the complex modernist styles of the early twentieth century. He provides a framework for understanding the shift from romanticism to the introspective, technical innovations found in the works of his selected subjects.

Critics and scholars frequently cite this work as a foundational text for understanding the development of modernist literary theory. Readers often note the intellectual rigor and clarity of Wilson's prose, which remains a standard reference for students of twentieth-century literature.