Charles Stross

The year is AD 7000. The human species is extinct—for the fourth time—due to its fragile nature.Krina Alizond-114 is metahuman, descended from the robots that once served humanity. She’s on a journey to the water-world of Shin-Tethys to find her sister Ana. But her trip is interrupted when pirates capture her ship. …

It's 1976 again. Abba are on the charts, the Cold War is in full swing -- and the Earth is flat. It's been flat ever since the eve of the Cuban war of 1962; and the constellations overhead are all wrong. Beyond the Boreal ocean, strange new continents loom above tropical seas, offering a new start to colonists like …