The Devil's Promise

San Antonio is full of secrets, and seventeen-year-old Erasmo Cruz investigates the strangest of them. After gaining renown for surviving the city's legendary Ghost Tracks, he has set up shop as a paranormal investigator. But helping exorcize other people’s demons doesn’t seem to relieve his own; his best friend Rat has abandoned him, his grandmother is nearing death, and his own health has taken a sudden decline.

None of these hardships can prepare Erasmo for the story his newest client bri...