A comprehensive guide to the speculative sub-genre of alternate history fiction, this book maps the unique terrain of this vibrant mode of storytelling and then explains how to write it. First giving a concise conceptual overview and the critical tools to differentiate the different forms of counterfactual fiction, Jack Dann lays out the ‘tricks of the trade’ such ‘Heinleining’, how to create recognizable ‘divergent points’ and how to employ paratextual elements and ‘layering’ to overcome readers’ unfamiliarity with invented counterfactual events and cultures. Alongside...