It is about the history of Constantinople up to the conquest by the Ottoman Empire interspaced with the experiences of Fidler and his son who took a trip to Istanbul in 2014.
In a review of Ghost Empire, The Sydney Morning Herald wrote "Fidler is passionate about his subject and he knows it well.
Though an amateur historian, the radio presenter and one-time comedy star handles this dauntingly complex material with dexterity.
", noted "That's not to say there isn't a fair amount of breezy surface narration and a number of subjects that seem ticked off rather than explored.
", and concluded "Fidler's story ... leaves its readers with a sense of faith in the renewing, illuminating, social powers of historical narrative.