This biography investigates the complex intersection of Ludwig II of Bavaria's psychological instability, his profound aesthetic obsessions, and the political decline of the Bavarian monarchy. Wilfred Blunt utilizes primary source documents, including the King's private diaries and correspondence, to construct a portrait of a ruler who prioritized architectural grandeur and Wagnerian fantasy over the pragmatic demands of statecraft. The text argues that Ludwig's retreat into a private world of myth and construction was both a symptom of his deteriorating mental state and a deliberate rejection of the encroaching modern political order.

Historians and scholars of German culture frequently cite this work as a standard, accessible introduction to the life of the 'Dream King.' Readers often note the balance between the author's narrative prose and the inclusion of historical documentation regarding the King's architectural projects.