I Solve Cases with My Niece and Become a Great Detective

Everyone knows that after the war, London got a bumbling, portly detective named Arthur Brown.

He always stumbles into the right answer at the last moment, becoming a darling of the newspaper headlines.

No one knows that his sixteen-year-old niece, Mary, is the one who truly solves every mystery.

She works behind the scenes, making up his legends and carrying the double act of