Publisher's blurb: Join the youngest crew of astronauts ever to make the trip to Mars! Faced with fearsome dangers and difficult decisions, your choices will determine your fate on the Red Planet. Will you achieve the mission and return home to Earth safely, successfully earning the title of the youngest astronaut ever to make it to Mars? Or will you be forced to turn back early? This thrilling adventure offers twenty-two possible endings, but only ONE leads to the ultimate success! With eye-catching comic book style illustrations and information based on scientific facts related to Mars and space exploration, young readers will be over the moon with this entertaining addition to the Worst-Case Scenario series!