Cover art
Harris, Raymond. The Schizogenic Man. Ace 1990.

Harris, Raymond. The Schizogenic Man
Divergence: 30 BCE
What if: Cleopatra's son Kaisarion escaped the Romans or Cleopatra murdered Octavian.
Summary: Through cyber-simulation a man visits Cleopatra's Egypt and tries to save her son Kaisarion. He awakes in a slightly altered present.
Published: Ace 1990 (0441753981).