Robert Calder (a pen name for Jerrold Mundis) can’t make us hate the lab animal on the run in The Dogs (1976), and in The Long Dark Night (1978; adapted for the screen as The Pack), callous summer vacationers pretty much get what’s coming to them at the paws of the dogs they heartlessly abandon each year. Even homicidal Baxter the bull terrier in Hell Hound is the most likable character in Greenhall’s book.