First American Hardcover Edition. Octavo, illustrations, maps and diagrams in the text. Original decorated blue cloth, front panel stamped in black, spine panel stamped in black and gold. The first U. S. edition was published by P. F. Collier in March 1889 in wrappers. Rare future set novel of business greed and war. A syndicate of American businessmen conduct a war against Great Britain and make use of advanced weapons, including a "motor bomb". An Anglo-American alliance is formed to outlaw all war. Listed in Bleiler and other fantasy bibliographies. This copy nicely inscribed and signed by Stockton in March of 1890 at front free endpaper. Scarce thus. Very Good, spine end cloth well worn, few cover corners showing board under the cloth.