This collection of sci-fi stories features brainy young heroines who use their smarts to save the day. Girls who fix robots and construct superhero suits, hack interstellar corporations and build virtual reality platforms. Who experiment with alien chemicals and tinker with time machines. Who defy expectations and tap into their know-how-in the depths of space, or the bounds of dystopia, or the not-too-distant future-to solve despicable crimes, talk...