Edgar Wallace 
Killer Kay [EPUB ebook] 

When the Eastbourne Express pulled out of Victoria Station on a bright afternoon in June, Mary Boyd had neither eyes for the glories of the Sussex scenery through which the train was presently flying, nor for the heartening sunshine, nor yet for the other occupant of the carriage in which she sat. For the greater part of an hour he was so immersed in the study of newspapers, that he also seemed oblivious to her presence.