FORTIFICATION: Its Past Achievements, Recent Developments, Future Progress. By Colonel Sir George S. Clarke, R.E., K.C.M.G., F.R.S. New Edition Enlarged. With numerous Illustrations. Medium 8vo. 18s. net. ARTILLERY AND EXPLOSIVES. Essays and Lectures written and delivered at various times. By Sir Andrew Noble, K.C.B., D.C.L., F.R.S. With numerous diagrams and Illustrations. Medium 8vo. 21s. net. "No one can speak on the subject of modern artillery and explosives with greater authority than Sir Andrew Noble."--_Engineering._ THE ARMY IN 1906. A Policy and a Vindication. By the Rt. Hon. H.O. Arnold-Forster, M.P. Demy 8vo. 15s. net. "Mr. Arnold-Forster's remarkable work will be read with the deepest attention and respect by all who have the interest of the Army at heart; and though many may differ from him, now as formerly, in reference to matters of detail, few will be found to deny that the principles he enunciates are in themselves absolutely sound.... However much any may disagree with Mr. Arnold-Forster's proposals, few will deny that he has given very strong reasons in support of them all."--_Westminster Gazette._ IMPERIAL OUTPOSTS. From a Strategical and Commercial Aspect. With Special Reference to the Japanese Alliance. By Colonel A.M. Murray. With a Preface by Field-Marshal The Earl Roberts, V.C., K.G. With Maps and Illustrations. Demy 8vo. 12s. net. "We should like to see every officer in the British Army with the wide vision and interest in the strategical and commercial organization of the Empire which Colonel Murray displays."--_Spectator._ "Colonel Murray deals with subjects of the highest interest. If we note those opinions from which we differ, it must be with the preliminary remarks that there is still more in the book with which we thoroughly agree, and that the whole of it is suggestive and worthy of the most careful consideration."--_Athenæum._ THE ART OF RECONNAISSANCE. By Colonel David Henderson, D.S.O. With Diagrams. Small crown 8vo. 5s. net. Principles and Methods--Protection and Security--Contact--Independent Reconnaissance--The Scout--The Patrol--Reconnaissance of Ground--Transmission of Information. This work is a guide to the study of reconnaissance in the field under modern conditions of war, and deals with the practical details as well as with the theoretical principles of the subject. It has been printed in clear type on special paper and so bound that it can be conveniently carried in the pocket by military students. CAVALRY IN FUTURE WARS. By His Excellency Lt.-General Frederick von Bernhardi, Commander of the 7th Division of the German Army. Translated by Charles Sydney Goldman, Editor of "The Empire and the Century." With an Introduction by General Sir John French, K.C.M.G., K.C.B., G.C.V.O. Demy 8vo. 10s. 6d. net. "Here at last, in the English language, we have a really important work on the German cavalry at first hand."--_Broad Arrow._