Valuta : 
With time travel and mysteries that need solving the Galactic Academy of Science (G.A.S.) series instructs readers on how to think like scientists. Under the guidance of a Dude or Dudette from the future the middle school characters are faced with treacherous present-day crimes that require a historical knowledge of science in order to be solved. From investigating problems to analyzing data and constructing explanations and solutions this series blends elements of sci-fi with educational methods that distill the key thinking habits of scientists and engineers. The new tablet Anita and Benson bought for the engineering fair crashes whenever a creepy face flashes on the screen. Then Dude from the Future Quarkum Phonon while briefing them on a new mission for the Galactic Academy of Science fades away with a look of terror on his face. Now Anita and Benson must race against time to learn about computer hacking expose the enemies of G.A.S. try to save Quarkum and foil the computer virus that threatens to destroy the future of Earth.