This issue of The Coast Artillery Journal contains the following articles: Combat Methods of the Japanese, by Colonel C. E. Kilbourne, C.A.C.; Relations of Land Power and Sea Power, by Colonel S. C. Vestal, C.A.C. (Colonel Vestal considers the subject under two hypotheses: the first, where the superior land power is inferior on the sea; and the second, where the superior land power is superior on the sea. This article examines the second hypothesis.); The Battles of Ludendorff on the Russian Front (Part 1), by General Hubert Camon, French Army; and Corps Antiaircraft Artillery on the Defensive, by Major G. A. Wildrick, C.A.C. The remainder of the issue contains the following features: a list of suggested books for officers to read; editorials on Spotting, Teamwork in National Defense, and the Lessons of 1918 from General Bullard; Professional notes on Spotting, Changes in Designations Relating to Coast Defenses, Tactical Inspection of the Coast Defenses of Chesapeake Bay. Antiaircraft Defense in Flanders, Artillery Ordnance Development, Some Quartermaster Achievements, Coast Defense Day at Fort Adams, Effectiveness of Antiaircraft Fire, and Fundamental Inventions; Military notes on the training of dogs for war in Argentina, reorganization of the Manchurian Army in China, the Royal Hungarian Honved Ludovica Academy, the new Chiefs of Staff of the Italian Defense Forces, Siamese Army maneuvers, and changes in military decorations in Spain; Coast Artillery Board notes; and book reviews.