"Everyone's awed by Inspector Witherspoon's Scotland Yard success, but they don't know about his secret weapon. Her name is Mrs. Jeffries, and she keeps house for the Inspector--and keeps him on his toes. No matter how messy the murder or how dirty the deed, her polished detection skills are up to the task."--P. [4] of cover.

Mrs. Jeffries plays the cook -- Mrs. Jeffries and the missing alibi -- Mrs. Jeffries stands corrected.