by Robert Heinlein
(1985)
Publisher: Ace Books
SF – Like Heinlein himself, main character Richard Ames is an ex-military man turned writer who fancies himself a pundit.
An assassination attempt precipitates his marriage to Gwen Novak and sends the newlyweds scurrying to the Moon and then to the planet Tertius, headquarters of the Time Corps.
When a stranger attempting to deliver a cryptic message is shot dead at his table, Dr. Richard Ames is thrown headfirst into danger, intrigue, and other dimensions, where a plot to rescue a sentient computer could alter human history…