"Of my world... Blue, have you ever seen the Aurora? I saw it in photograms first, but that doesn't really do it justice," Curtains of light, full of such profound hues, and then, suspended within them, the image of another world? No, Lyra doubted anything but the real thing could ever be as amazing as that.

"It's like... curtains of light, in all kinds of colours, all over the sky. And the one in my world was special- you could see another world in it."