What do you want to be when you grow up? Do you want to be an astronaut? Read this book to find out more about real astronauts living and working on the International Space Station! While you discover what it is like to live in outer space, you will also learn about elapsed time and equivalent units of time. Applied key concepts include converting units of time by adding and subtracting, using a number line diagram, and reading an analog clock. Get ready to blast off!