Nikhil Pradhan’s second novel, Yesterday’s Ghosts, is a pacy thriller about four former intelligence operatives and the circumstances that bring them back together after decades of no-contact. It mixes espionage with horror in a pared-down, sparse narrative. The interrogation format is used as the primary narrative device, interspersed with short spells of omniscient narration to ground the novel better. Pradhan’s first book, Cold Truth, had a similar structure and his experimentation with the novel form stood out for diverting from conventional storytelling. Unfortunately, the experi...