I – The Man Who Wanted Pass Book–––––––– IT WAS, OF COURSE, a coincidence that Margot Panton was the guest of Mrs. John Staines on the night of the visitation; it was equally a coincidence that she travelled down to Arthurton by the 4.57 in the same railway coupé as Jeremiah Jowlett. And yet it was as natural that she should break her journey in town to accept the hospitality which her old nurse could offer her, as it was that Jeremiah and she should be fellow passengers by the only fast train which Jerry always took, summer and winter, unless he was away from London or was working up evidence against some malefactor; for Jerry was a barrister, and had a desk in the office of the Public Prosecutor. "My dear," said Martha Staines in genuine admiration, "I should never have known you!" Ma