Space is calling - you'd better answer! Which rocket will you blast off in? Will Buzz Aldrin or Valentina Tereshkova be your astronaut partner? Are you going to discover a whole new universe out there? Which exciting mission will you choose?Peppered with facts about real astronauts and space missions from around the world and throughout history, Astronaut for a Day will help young readers step into new shoes for the day as they choose to take charge of their own destiny.