Stiles had been hanging around Deaton an awful lot lately, learning as much as the man was willing to share with him about defensive magical properties. They'd warded his house, both to keep the witch from getting to him again and to keep his dad safe from any attacks. Deaton had also given him homework.

Really? Witchwork? Homebrewing? Whatever it was, Stiles suddenly sympathized with Harry Potter in a way that he'd never thought he would before. Magic was hard.

He was at his desk, trying to figure out the variables in what the moon's position did to the same spell, doodling little moons in the margin of his 'witch book'. He seriously had a witch book. He stashed it with his porn so his dad wouldn't find it, which sort of made him feel skeevy every time he went to get it.