- (LiteratureNarrativeGermany) THE GREATEST INVENTION. Dr. Conrad Humery's book on Giovanni Gutenberg. Fritz Habeck. Vallecchi. 1974. The history of printing reconstructed around the figure of Gutenberg and the political, social and economic history of 15th century Germany. Hardcover with dust jacket. Drawings by Piero Paoli. Excellent condition. Various illustrations pp. 186.LS3
