Fortune's Stroke (2000) by Eric Flint and David Drake. Fourth in the Belisarius alternate history military series. Flint and Drake handle the interweaving of the different story lines very well. There are armies, battles, sieges, terrorist attacks and guerrilla warfare spread over four countries; plus navy battles and weddings, but the story is easy to follow. Finished 29th Nov 2013, bought second hand this year.
In an alternate history in which science and magic coexist, a young Benjamin Franklin joins forces with Sir Isaac Newton in a desperate attempt to stop France’s demonic King Louis XIV from obliterating England
The Man in the High Castle - Philip K Dick. What if Germany and Japan won WWII? This goes beyond PKD's science fiction offerings and explores finding meaning in an oppressive society.
The reigning master of alternate history pens this spectacular finale to the story that began in the bestselling Worldwar series and continued in the explosive Colonization trilogy.With his epic novels of alternate history, Harry Turtledove shares...
Life After Life by Kate Atkinson. What if you could live again and again until you got it right? For as Ursula grows, she also dies, repeatedly, in a variety of ways, while the young century marches on towards its second cataclysmic world war.