Worlds of the Timestream: The Interregnum, Book 7: The Throne, Book 4: Paladin or Time out of Heart 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... Paladin is the conclusion of The Interregnum Series (Book 7),…