Ngaio Marsh

Light Thickens is a detective novel by Ngaio Marsh; it is the thirty-second, and final, novel to feature Roderick Alleyn, and was first published in 1982. The plot concerns the murder of the lead actor in a production of Macbeth in London, and the novel takes its title from a line in the play. A number of characters …

The Nursing Home Murder is a work of detective fiction by New Zealand author Ngaio Marsh.

Black As He's Painted is a detective novel by Ngaio Marsh, the 28th to feature Roderick Alleyn. The plot concerns the newly independent fictional African nation of Ng'ombwana, whose president and Alleyn went to school together, and a series of murders connected to its embassy in London.