From the Publisher:
Little did beloved British actress Mary Bellamy know that she would be done in at her own birthday party--choked by toxic mist from the bottle of "Slaypest," a deadly insecticide. Basking in the glow of her most adoring fans--who all happened to be her most duplicitous enemies--Mary would make her final performance. When Superintendent Roderick Alleyn arrives, he smells a rat amongst the contemptuous collection of theatre types detained at the party, for this case has the unmistakable scent of murder...
Ngaio Marsh: False Scent. St. Martin's Press; ISBN: 0312968981 (April, 1999); 224 p., $5.99