Worlds of the Timestream: The Throne, Book 3: Tara’s Mother by Richard J. Sutcliffe
The Timestream is at least six known versions of Planet Earth arranged in hexagonal fashion. Each has different histories and societies, some different geologies, but all share the same physical laws and chronology. At critical historical points on one of the planets, crucial decisions result in two Earths with the same prior history but differing subsequent ones. Major events on neighbouring planets in the Timestream affect each other strongly... The long-lived Samadeya-Qayin, ally of the Almighty and check against…