9780756630843 Following in the path of the established series of Eyewitness and Eye Wonder for older readers, Eye Know is a growing series for the younger reader where subjects are introduced from the starting point from what young children already know, which stimulates their interest to find out and discover more. Is there anybody out there? How do we know about space? What is life like on a space station and how long do people spend on them? What are planets and how are they different to Earth? What is a star? What is a galaxy? What is the Milky Way? What is the Sun? Do aliens really exist and if so where do they live? Answer these questions and more in Eye Know: Space.