The Attic Murder: A Mystery/Detective Thriller Classic By Sydney Fowler Wright!

Excerpt:

FRANCIS HAMMERTON, if we are to think of him by his true name, had not considered the probability that Mrs. Benson might not be the sole occupant of the house, his mind having been concentrated upon aspects of his position which threatened more definite hazards.

Actually, the woman whose voice he heard was a next-door neighbour, Miss Janet Brown, who had looked in with no further purpose than to return a borrowed flat-iron. But it happened that she was already informed of the exciting incident of the afternoon, and when Mrs. Benson detained her for a cup of the tea which could be cheaply obtained by adding fresh water to the leaves in the lodger's teapot, and naturally mentioned the good fortune which had walked in less than two hours before Janet was quick to see the connection...