There comes a time in life when we find ourselves in the desert place of burning questions. Why? Why me? But even as we shake our fist heavenward, the heart whispers another question. Who? Who are you, God? It is a question of relationship, a question we all murmur in the hardest places.

Against the backdrop of the Sonoran Desert, Lynne Hartke asks her own hard questions as cancer arrives like a thief with one goal: to take it all. Hair. The contents of a stomach. A marriage. A life. As her days become a blur of doctors' appointments, treatments, and surgeries, she...