It's rare to have urban fantasy with any original ideas. After all, the genre has been around for decades now. Vampires, shifters, fae...they've all taken their stroll through the pages of many an urban fantasy. Nightmares may be a more unique take. I can only think of one other, Night Terrors by Tim Waggoner. In Night Terrors, the nightmares are allowed to exist as long as they behave, though they are enforced by a paranormal agency made up of dream creatures and their dreamer creators. Nightmare City, however, has a very different take.

After an event called The Surge, suddenly dreamers were finding that their dreams and nightmares manifested in the real world. Chaos and destruction reigned until civilization learned to deal with the shades they created. They founded the Somni Order, an organization established to find ways to police and cope with the constant threat of their nightmares made real.

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