The Explosive Needle
Written by
William Le Queux
Copyright 1916
4th of 6 stories in - First published in The Grand Magazine December 1916.
An inexpensive urn, a needle, and an extremely deadly gas make up a present created by Theodore Drost for another attempt at the Cabinet Minister he failed to have killed in the previous attack. Once again Stella Steele learns enough to alert her beau to save the official.