“Glass, steel, paper, stone. I’ve heard there are two others.” “Bone magi are healers,” Harriet said. She stood and began clearing plates. “They can repair damage to the human body. Not disease, of course, but broken bones, internal trauma, that sort of thing.” “And wood magi have similar protections to steel magi,” Brittany said. “They were the first magi. People used to think certain kinds of wood were protection against evil influences—we use rowan for the aegis. They also fight with living wood when they can. Mostly they work outside cities, where there’s lots of growing things.”