In 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 ClareThe meek may inherit the earth, but at the moment it belongs to the conceited. Like me.
Cassandra ClareNot enough," he said, letting her hair slip through his fingers. "If I kiss you all day, everyday, for the rest of my life, it won't be enough.
Cassandra ClareCity of Fallen Angels ended on a cliffhanger. That was equally loved and hated by my readership.
Cassandra Clare