Invisible Death: An Anthony Bathurst Mystery

Its favourite afternoon pastime was murder, and its favourite evening occupation was the same, only a trifle more so.

Anthony Bathurst reaches Swallowcliffe Hall, summoned by Constance Whittaker, to protect her husband, Major Whittaker, from an unnamed threat. Bathurst enlists his friend Peter Daventry, a crack shot and good in a fight.

One of the household suddenly drops dead, despite no one being anywhere near him. When poison is revealed to be the method of execution, Bathurst finds himsel...