The Prodigal Son by Colleen McCullough
Potent poisons and deadly rivalries in this glamorous thriller.
Jim and Millie Hunter have it all: good looks, brilliant minds, and a meteoric rise to fame.
Dr Jim Hunter is a genius biochemist, and author of a smash-hit science book that is propelling him to the top. His wife Millie, is a blonde bombshell and fellow scientist, researching rare poisons derived from puffer fish.
They seem to have it all, but others in their academic circle have got the knives out, jealous of their success - and their inter-racial relationship arouses prejudice.
So when a double murder is perpetrated, using poison stolen from Millie's research lab, Captain Carmine Delmonico of Holloman Police must race to find the killer before they can claim their next victim.
The pool of suspects is small, but nobody is talking.
Have two men died to safeguard the publication of Jim's book - or do rivalries and betrayals run deeper than that?