The Abscission Zone

Dr. Texie Raynott and Dr. Dock Hatman hope to use their expertise in plant biology to discover new cancer drugs. They never imagined that they would end up fighting a global menace that has deadly implications for the future of humankind.

While examining a tissue sample, Texie falls and cracks her skull. At the same time, Dock uncovers the truth behind a series of mysterious deaths. Earth's green plants have turned violent. Someone or something has begun a new war that could wipe out all of...