Chapter 1

If there was a single moment it all began, it was that of Muhammad’s death. Even the Prophet was mortal. That was the problem. It was as though nobody had considered the possibility that he might die, not even Muhammad himself.

Did he know he was dying? He surely must have. So too those around him, yet nobody seemed able to acknowledge it, and this was a strange blindness on their part. Muhammad was sixty-three years old, after all, a long life for his time. He had been wounded several times in battle and had survived no fewer than three assassination attempts that we know of. Perhaps those closest to him could not conceive of a mere illness bringing him down after such concerted malice against him, especially now that Arabia was united under the banner of Islam.

The very people who had once opposed Muhammad and plotted to kill him were now among his senior aides. Peace had been made, the community united. It wasn’t just the dawn of a new age; it was morning, the sun bright, the day full of promise. Arabia was poised to step out of the background as a political and cultural backwater and take a major role on the world stage. How could its leader die on the verge of such success? Yet dying he definitely was, and after all the violence he had seen—the battles, the assassination attempts—he was dying of natural causes.

The fever had begun innocuously enough, along with mild aches and pains. Nothing unusual, it seemed, except that it did not pass. It came and went, but each time it returned, it seemed worse. The symptoms and duration—ten days—seem to indicate bacterial meningitis, doubtless contracted on one of his military campaigns and, even today,...