Leslie Poles Hartley, an English novelist and the son of a solicitor was educated at Oxford's College and for more than twenty years he was a fiction viewer for magazines. He wrote many novels and made a good contribution to English fiction. According to his novels films were casted. Hartley was a highly skilled narrator and we can see that in his literary work "W.S."
The main character of the story - Walter Streeter - gets one after the other four postcards with messages from anonymous and starts thinking them over. The postcards are signed with his own initials – W.S. But who could be sending them?