it took ellie several moments to adjust her eyes to the gloom of the library , at which time she realised it was not as dark as she had at first imagined , that the moonlight shone in brightly through the windows , giving his overlong-blond hair a silvery rather than golden sheen , his eyes glittering a much paler blue , the light and shadows giving his hard , chiselled face a darker , more dangerous sharpness , than it usually had .