Abstract Abstract The King and the Imperial Crown. The Powers and Duties of His Majesty. By A. Berriedale Keith. (Longmans). £1 1s. The Life of John Butterworth, Earl of Jellicoe. By Admiral Sir Reginald Bacon. (Cassell & Co.). 25s. Marlborough: His Life and Times. Vol. III. By Winston S. Churchill. (G. G. Harrap, London). 25s. Captain James Cook, R.N., F.R.S. By Vice-Admiral Gordon Campbell, V.C., D.S.O. (Hodder & Stoughton). 15s. How is the Empire? By F. Percy Roe. (Pitman & Sons). 6s. At War with the Smugglers. By Rear-Admiral D. Arnold-Forster, C.M.G. (Ward Lock & Co.). 12s. 6d. The Flower of England's Garland. By G.E. Manwaring. (Philip Allen). 10s. 6d. River of Golden Sand. By Thomas Woodrooffe. (Faber and Faber). 8s. 6d. The Liao-Yang Campaign. (William Clowes). 5s. l'Aviation de Bombardement. By C. Rougeron. (Berge-Levrault, 5 rue Auguste-Comte, Paris, 6e). In 2 vols. Frs. 25 each. Air-Power and Armies. By Wing-Commander J. C. Slessor. (Oxford University Press, London: Humphrey Milford, 1936). 10s. 6d. War over England. By Air Commodore L. E. O. Charlton, C.B., C.M.G., D.S.O. (Longmans, Green & Co.). 12s. 6d.