Speculative Epistemologies is about truth effects in sf, which stands for both science fiction and speculative fiction. It examines six narratives, one from each decade from the 1960s to the 2010s, that challenge dominant assumptions about the normal, the possible, and the real. It asks what the patterns of overlap and interference generated by texts located in border territories that make their identification as sf problematic, and sometimes controversial, can reveal about the dynamics of sf’s multiple subcultures (e.g. professionals, academics, and fans); the complexity of the genre’s...