Dark Divide by Carrie Vaughn

In brand-new stories spun off from the New York Times Bestselling Kitty Norville series, dark mysteries push the bounds of sanity. Cormac Bennett, ex-con and former bounty hunter, is a paranormal investigator with an edge: his partner is the disembodied spirit of a Victorian wizard, Amelia Parker. Together, they solve problems no one else can.

They’re asked to investigate a mysterious death in the Sierra Nevadas: a man died of hunger —in a cabin that was fully stocked with provisions. The kicker? The cabin is located near Donner Pass, the site of the gruesomely ill-fated Donner Party, where forty men, women, and children died of exposure and starvation. The event was made famous by reports of cannibalism among the survivors.

Is the Donner site haunted? Is some evil force rising again after a hundred fifty years to wreak destruction? Can Cormac and Amelia learn the truth without being caught in the web? Well, they can try…