When George Lucas was writing the first Star Wars movie, he based the character of Chewbacca on his dog, who would sit in the passenger seat of Lucas’ car whenever they’d drive somewhere. But Jorge isn’t the first to incorporate man’s best friend into a sci-fi tale. Enter Wendy N Wagner, whose new novel, An Oath Of Dogs (paperback, digital) takes inspiration from a couple of our furry friends…including one, oddly, that isn’t hers.