They're too bad for the Day Watch and too good for the Night Watch. They don't honor the Treaty, they're rude to the Great Ones, they don't believe in prophecies. They're Others. But even worse, they're children! Dark and Light teenagers, put together in a boarding school hidden from humans... Where even a simple literature teacher must become an Inquisitor.
Follow Harry into the world of the Others, as Wizards are not the only secret society his world has. Young Harry accidentally used his powers to create a Dark Vortex. Alexia a member of Londons Nightwatch has wittnesed it and now wants to recruit the young Other for the Light. I neither own Harry Potter, Nightwatch nor their universes, those belong Lukjanenko and Rowling.