Tarr, Judith. "Queen of Asia"
Divergence: 332 BCE
What if: Dismayed by her son Darius's show of cowardice in fighting Alexander, Sisygambis had him killed and became regent for her grandson.
Summary: Under Sisygambis's direction, the Persians attack Alexander from behind at Tyre, and she comes up with a novel fate for her new prisoner.
Published: In w88 android (ed. Mike Resnick), q.v.