Every ghost has strings. His job was to find them. Until he found a ghost with no strings attached.Darius Quaice is a professional skeptic, a man whose life's work is dismantling wonder. At his agency, Qui Dubitat-Those Who Doubt-he is the world's most sought-after paranormal investigator, a debunker of modern miracles. When a viral video of a terrifying anomaly on a New York City subway-the "Subway Shroud"-captivates the globe, he knows it's just another hoax to be exposed.But this ghost is different.Recruited by a shadowy organization with a chilling agenda, Darius is given a strange and dangerous gift: a new sense, an instrument that allows him to perceive the echoes of the past. His skepticism, once a shield, is shattered. He is no longer the hunter; he is the bloodhound, forced to follow the trail of an impossibility that defies all logic.His hunt leads him to the Pneuma, a ghost ship trapped between timelines-a magnificent, impossible fusion of a Gilded Age steam train and a futuristic vessel. Onboard, he and his fiercely pragmatic partner, Madi, are no longer investigators, but prisoners. They are caught in a desperate game between the Pneuma's enigmatic and brilliant captain, a woman haunted by a tragic secret, and the warring factions of a hidden time travel war who want to possess her ship's power.As the Pneuma is besieged by forces that seek to either collect or cleanse it, Darius and Madi are dragged into a final, suicidal mission to the heart of the paradox itself. To survive, the ultimate skeptic must not only believe in the impossible-he must solve it.Perfect for fans of Blake Crouch's Dark Matter, Sylvain Neuvel's Sleeping Giants, and the mind-bending mysteries of Lost, The Pneuma Paradox is a relentless, high-concept sci-fi thriller about the collision of faith, physics, and the ghosts we carry with us.