The Mark of Cain

The Mark of Cain is a mystery and detective story by Carolyn Wells.

Mrs. Black glanced up from the evening paper she was reading and murmured an indistinct acquiescence.

It was late June, yet the city home of the Trowbridges was still occupied by the family. As Avice often said, the big town house was cooler than most summer resorts, with their small rooms and lack of shade. Here, the linen-swathed furniture, the white-draped chandeliers and pictures, the rugless floors, all contributed to an effect of coolness and comfort.