Eldest curses

Magnus Bane and Alec Lightwood are living together in a fabulous loft; their warlock son, Max, has started learning to walk, and the streets of New York are peaceful and quiet-- well, relatively. Until the night that two old acquaintances break into Magnus's apartment and steal the powerful Book of the White. Now Magnus and Alec need to follow the thieves to Shanghai: they need some backup to accompany them, and they need a babysitter. Also, someone...