The Invasion That Failed
Written by
Edgar Wallace
Copyright 1918
Adventure #3 in the collection . First published in Thomson's Weekly News 09/17/1918 and syndicated to the Glasgow Sunday Post, 09/22/1918.
With strong hints that an invasion of England by Germany is imminent, it falls to John Frazer to head back to the country to learn how they are planning to stop their attack vessels from being hampered by British submarines.