Charlemagne's Dream by James Palmer examines the Carolingian Empire and the visionary ambitions of Charlemagne, exploring how he sought to unite Christian Europe under a single, divinely sanctioned political and religious order. Palmer draws on historical sources to analyze the ideals, contradictions, and lasting legacy of Carolingian rule. The book reassesses what Charlemagne's project meant in its own time and how its influence echoed through medieval and modern Europe.