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 ClareIf you insist on the chase then you'd better start running 'cause dude, you're in for a marathon
Cassandra ClareIs this some manly bonding thing I can't be a part of? Are you getting matching haircuts?
Cassandra ClareClary felt suddenly annoyed. "When the self-congratulatory part of the evening is over, maybe we could get back to saving my best friend from being exsanguinated to death?" "Exsanguinated," said Jace, impressed. "That's a big word." "And you're a big-" "Tsk tsk," he interupted. "No swearing in church.
Cassandra Clare