Looking at her, he was in London again. He saw the gaslight and smelled the smoke and dirt and horses, the metallic tang of fog, the flowers in Kew Gardens. He saw a boy with black hair and blue eyes like Alec's. A girl with long brown curls and a serious face. In a world where everything went away from him eventually, she was one of the few remaining constants.
Cassandra ClareAnd what if I'm the one who kills him?" "My heart is your heart," he said, "My hands are your hands.
Cassandra ClareIn a closed urban fantasy, the magical world is secret and no one knows about it. In an open urban fantasy, everyone knows about it. So with a closed fantasy, you have to figure out how the world keeps itself secret, and with an open one, you have to figure out how knowledge of magic has altered the world we know.
Cassandra Clare