The Mystery Ship, by Percy F. Westerman 50781 [Subtitle: A Story of the 'Q' Ships During the Great War] [Illustrator: A. Morrow] [Link: http://www.gutenberg.org/5/0/7/8/50781 ] [Files: 50781-0.txt; 50781-h.htm] Thanks to R.G.P.M. van Giesen David