"Yours. It looks more compatible with the thing Mabry does with the foci. I think we can link them without changing the nature of the original ward." She squinted at the book, twisting a strand of hair around two fingers as she'd been doing for most of their search. It was still more or less golden-brown at the tips. The unnerving blackness spread from the roots, streaking out like lines of ink, or far too many spiders' legs. And that was hardly a helpful mental image...