A tense thriller with bite and brains…
Cooper’s ninth Brad Parker and Karen Richmond thriller blends scientific intrigue with a chilling revenge plot. Dr. Eric Salton, praised for a breakthrough lung cancer drug, is savagely murdered. Another dies in a… Betrayal of Trust (Brad Parker and Karen Richmond Book 9) by Geoffrey M. Cooper
A tense thriller with bite and brains…
Cooper’s ninth Brad Parker and Karen Richmond thriller blends scientific intrigue with a chilling revenge plot. Dr. Eric Salton, praised for a breakthrough lung cancer drug, is savagely murdered. Another dies in a… 
A tense, edge-of-your-seat medical thriller that explores the dark side of ambition and betrayal.
Cooper’s eighth installment in the Brad Parker and Karen Richmond series is a riveting tale of ambition, betrayal, and ethical quandaries set against the backdrop of… 