This remarkable collection of maps, photographs, engravings and paintings from the early ages to modern day provides a stunning new look at the world as defined

What would the world be like is history had taken a different course? Science fiction literature has long contemplated this question, and this text analyzes alt

Explore fascinating, often chilling “what if” accounts of the world that could have existed—and still might yet . . . Science fiction’s most illustrious

On September 11, the United States were destroyed. That is, September 11 of the Year of Our Lord 1620. In this alternate history, the Mayflower was lost at sea,

Alternate history is a genre of fiction that, although connected to science fiction, has its own rich history and lineage. With its roots in the writings of anc