Read "The Door With Seven Locks" by Edgar Wallace online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
-"THE LETTERS that Havelock showed me," said Dick, as they were driving back to town, "were, of course, written by himself. I discovered that the day he showed me a message that he said he had received that morning from Cairo. It was written in green ink, and he had two specks of green ink on the tip of his finger. I knew before that that he was deeply involved in this case."
-"How did Cawler know that the big man was his brother?" asked Sneed. "That puzzles me."