Well, that had been easier than she thought it would have been. She'd been expecting...more. But the book was in her hands, and Supergirl was still in the room, moving fast, vibrating her body at such a speed that she couldn't be seen, a trick she had picked up from The Flash of her world.
"No?" she answered Isobel, then moved to another spot. Kara darted to the window, until she was floating beside it, holding the book close to her. "Mine now." she informed the woman.