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The Itinerarium Regis Ricardi (in full, Itinerarium Peregrinorum et Gesta Regis Ricardi) is a Latin prose narrative of the Third Crusade, 1189-1192. The first part of the book concentrates on Saladin's conquests and the early stages of the crusade, with a long description of the expedition of the Emperor Frederick Barbarossa. The rest of the book describes King Richard I of England's participation in the crusade.