“I believe that writer's block is a symptom. It's not a disease, it's the symptom of a disease. So what I try to do is kind of do it like 'House'; write down the symptom and write down the other symptoms. Try to work backwards to figure out what the problem is.”

Cassandra Clare is an American author of young adult fantasy. She gained prominence for her *Mortal Instruments* series, blending urban fantasy and gothic romance, and later expanded her world with the *Shadowhunters* novels. Her work explores themes of identity, destiny, and hidden supernatural communities.