The wealthy businessman Horatio Leavenworth is found dead in his private library with a bullet in his head. Nothing in the house is broken. Nothing is stolen. All signs point to...

"Enter, sir; you are the first to arrive..." When young traveller Hugh Austen, hungry and weather-beaten, seeks refuge in a lonely mansion, he finds himself entwined in the...

On the night before his wedding, Sinclair finds that his precious amethyst box containing a tiny flask of deadly poison is missing. And he knows it can only have been taken by...

The dead body of a strange woman is found in an empty house next door to Amelia Butterworth, a single old lady with a formidable curiosity and lots of free time. When Detective...