BLOOD AND STEEL. PREFACE: ZAHAROFF, the Man of Mystery, aroused the curi osity of a dozen of post-War sensation-seeking pub licists. But the House of Krupp, which could boast the friendship of two German Emperors, its guns making the background for a half - century of mad armament policy, and again doing so by the will of Krupp's new patron, Adolf Hitler, has never yet, throughout the many generations of its existence, been the subject of a genuinely critical history. The fact, though surprising, is by no means accidental. For this firm, surpassing in adroitness of intelligence all its competitors in the armament industry, has success fully camouflaged its activities in a rather novel manner. Several hundred books and pamphlets and more than a thousand scientific papers seem to imply a veritable publicity-mania, which, however, is a stroke of true genius: i. e., concealment of the truth behind a mass of cleverly dished-up data. The author confesses that herein lay the real difficulty