Agent Hamed is training a new agent, Onsi when they are called to the tram car station to deal with one of the cars being haunted. As they learn about what is attacking people in the tram car, the reader finds out more about the alternate Cairo with its Steampunk ways and magical beings living side by side with everyday people. The universe this is set in is wonderfully detailed and you don’t have to have read either the book or the other stories to enjoy this one.