First in the ghostly urban fantasy series by New York Times bestselling author Daniel José Older
"Because I'm an inbetweener—and the only one anyone knows of at that—the dead turn to me when something is askew between them and the living. Usually, it's something mundane like a suicide gone wrong or someone revived that shouldn'ta been."

Carlos Delacruz is one of the New York Council of the Dead's most unusual agents—an inbetweener, partially resurrected from a death he barely recalls suffering, after a life that's missing from his memory. He thinks he is one of a kind—until he encounters other entities walking the fine line between life and death.

One inbetweener is a sorcerer. He's summoned a horde of implike ngks capable of eliminating spirits, and they're spreading through the city like a plague. They've already taken out some of NYCOD's finest, leaving Carlos desperate to stop their master before he opens up the entrada to the Underworld—which would destroy the balance between the living and the dead.

But in uncovering this man's identity, Carlos confronts the truth of his own life—and death....