Karen Davidson Zachary was diagnosed with cancer and told that she had a year, maybe a year and a half to live. As a child she never liked to be told she couldn't do things and this wasn't any different. Only this time the fight was on to stay alive. After the medical professionals could not account for her most significant symptom-increasing numbness-she felt a determination to get to the truth.

That's Not Happening tells the story of Zachary's diagnosis of cancer, her unwillingness to accept the doctors' words as the ultimate truth when it didn't make sense, and the vast...