New York keeps a second city.
Beneath the stadiums, the bridges, and the old civic buildings, a hidden New York keeps its sealed doors — and the immortal guardians who hold them.
Follow the green line down.
It runs under the platforms and the river, past the places the maps agree to show, to a boundary that was never meant to open.
Blood Under the Lights
Beneath Yankee Stadium, a night-shift electrician touches the line she was warned never to cross — and the guardian who has held it for a hundred years.
Blood Across the River
Across the river in Flushing, a phlebotomist walks into Gold River for a private blood draw, and a red thread closes around her wrist.
Enter The Cold City.
Start the series, or take the key — Blood at the Old Gate, the prequel novella, free.