viii + 341pp, 20 maps and illus, original dark blue cloth, attractive copy. Marder: The principles of sea power as viewed in the light of navalûhistory. The book was widely read and discussed in the Service when itûfirst appeared -the 'Guerre de Course' and 'The Invasion of England'ûchapters in particular.ûAJS: A study of sea power using examples from the Peloponnesian War, FirstûPunic War, Second Punic War, Actium and Lepanto, Spanish Armada, and theûRusso-Japanese War.