Brimstone

A new dark historical fantasy from the "supremely gifted"* Cherie Priest, author of Mapelcroft and Boneshaker. In the trenches of Europe during the Great War, Tomás Cordero operated a weapon more devastating than any gun: a flame projector that doused the enemy in liquid fire. Having left the battlefield a shattered man, he comes home to find yet more tragedy-for in his absence, his wife has died of the flu.
Haunted by memories of the woman he loved and the atrocities he perpetrated, Tomás dreams of fire and finds himself setting match to flame when awake....   Alice Dartle is a talented clairvoyant living among others who share her gifts in the community of Cassadaga, Florida. She too dreams of fire, knowing her nightmares are connected to the shell-shocked war veteran and widower. And she believes she can bring peace to him and his wife's spirit.
  But the inferno that threatens to consume Tomás and Alice was set ablaze centuries ago by someone whose hatred transcended death itself....*Christopher Golden, #1 New York Times Bestselling Author