Malignant — Anthony J. Melchiorri

Sometimes medical science can take lives just as easily as it can save them.

A genetically engineered and unstoppable cancer is spreading through Baltimore's citizens. Doctor Robin Haynes is used to dealing firsthand with this unforgiving disease, but when every medical tool at her disposal fails, she becomes desperate for a cure.

Christopher Morgan is a former illegal genetic enhancement dealer. After paying for his crimes, he's devoted himself to developing genetic therapies to save lives. He eagerly joins Robin on a quest to engineer a treatment.

As the cancer spreads across the country, Robin and Chris discover the disease may be connected to a criminal organization. With the body count rising, they find themselves embroiled in something deeper than they ever imagined -- an underground world of scientific intrigue, organized crime, and medical conspiracies.

They set out to save lives, but now they might lose theirs in the process.

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Malignant is Book #2 in the Black Market DNA series. While each book in this medical mystery-thriller series can be read as a stand alone, the chronological order is:
Fatal Injection (A Novella)
Enhancement (Book #1)
Malignant (Book #2)
Variant (Book #3)