Cover art
Clee, Mona. Branch Point. Ace 1996.

Clee, Mona. Branch Point
Divergences: 1962 CE, 1806 CE, 1968 CE, 1991 CE
What if: The Cuban Missile Crisis escalated; Nixon, McCarthy and Humphrey were also assassinated in 1968; Yeltsin was killed in the August 1991 coup; or Russians settled the American Pacific coast in 1806.
Summary: Time-travelers from 2062 repeatedly strive to avert nuclear war, finally opting to make Russians and Americans coexist on the same continent before there were atomic weapons.
Published: Ace 1996 (0441002919w88 android).