For York doesn’t care that the icy winter of 1857 has wiped out all but one of Marsh’s dilapidated fleet. Nor does he care that he won’t earn back his investment in a decade. York has his own reasons for wanting to traverse the powerful Mississippi. Andthey are to be none of Marsh’s concern—no matter how bizarre, arbitrary, or capricious his actions may prove.Marsh meant to turn down York’s offer. It was too full of secrets that spelled danger. But the promise of both gold and a grand new boat that could make history crushed his resolve—coupled with the terrible force of York’s mesmerizing gaze. Not until the maiden voyage of his new sidewheeler Fevre Dream would Marsh realize he had joined a mission both more sinister, and perhaps more noble, than his most fantastic nightmare...and mankind’s most impossible dream.