In "Ilium/Olympos" by Dan Simmons, the post-human society is riddled with quantum magic. Achilles has had his future narrowed down to two possibilities: dying

In "Ilium/Olympos" by Dan Simmons, the post-human society is riddled with quantum magic. Achilles has had his future narrowed down to two possibilities: dying at a specific time after being shot in the heel by an arrow shot by Paris, or dying of old age in bed.