Exo planets : a guide to the worlds outside our solar system
"Exoplanets, the first book of its kind for kids, is a visually packed guidebook to the exoplanets of our universe. You'll learn the four main types of exoplanets, techniques scientists use to discover them, the probability of finding life as we know it beyond Earth, plus detailed information about dozens of some of the most fascinating exoplanets discovered so far ..."