How does Rushdie describe his ordeal during the darkest days of the fatwa in the nonfiction book, The Ground Beneath Her Feet?

Rushdie has described his ordeal during the darkest days of the fatwa as "terribly bewildering. I had to find my feet again," and explains that after this shattering of his life's frame, he "had to learn to fight back. I had to find the strength to get back to writing."