Half Magic

It all begins with a strange coin on a sun-warmed sidewalk. Jane finds the coin, and becasue she and her sblings are having the worst, most dreadfully boring summer ever, she idly wishes something exciting would happen. And something does: Her wish is granted. Or not quite. Only half of her wish comes true. It turns out the coin grants wishes-but only by half, so that you must wish for twice as much as you want. Wishing for two times some...