London: 1930. 1st edition [presumed]. Not in Bleiler, the BMC, Locke, nor Reginald. 64 pp. Last page an advert. 12mo. 7" x 5-1/4". Colorful pictorial wrappers, depicting an armed, futuristic 12-engined seaplane. VG+. A nice copy. Item #27870
Scarce 'future war' title.. an "astounding new yarn of Mad Morgan, pirate of the skies .. [who] attempts to rule the whole world in this air war of the future..." [which happens in 1970, per wrapper blurb].
OCLC locates but one holding.