A Vested Interest - Dark Secrets. A Vested Interest, #2

Donna Rigden, the doctor who developed the immortality virus, is dead. Her body has been treated with her drug though; can she be brought back to life?The second part of the 'A Vested Interest' series - follows 'Immortality Gene.'Clinically Donna's dead. A neurotoxin for which there's no antidote, has destroyed her brain. Her body is being kept alive by machines in the hope that the virus she created can bring her back to life.
Two letters and two secrets steered her past, now one is missing. Who took it and why? Who blackmailed her into marrying Richard Triplet when she was still in love with Jared Thundercloud, and more attracted to Dr. Sam Kaliea?The killer strikes again. Using a more technologically advanced form of the nanobug, John Liu injects Donna and her unborn child with nanonytes. To make matters worse, he also attacks her best friend, her best friend's mother and even the infamous Lady Triplet.
As the Triplets struggle to overcome this new threat, they uncover the dark secret that has remained hidden for nearly a thousand years, and Donna is ripped from Richard's arms by an enemy he cannot fight. The cover - depicts an old diary and the Triplet family crest.