Read and find out about the possibility of live on other planets in this colorfully illustrated nonfiction picture book. Bears and birds, people and planets--many things live on planet Earth. But do they live anywhere else? For a long time people have wondered about that. Maybe you have, too. Read and find out how scientists search for signs of life in outer space. This is a clear and appealing science book for early elementary age kids, both at home and in the classroom. It's s a Level 1 Let's-Read-and-Find-Out, which means the book explores introductory concepts perfect for children in the primary grades. The 100+ titles in this leading nonfiction series are: hands-on and visualacclaimed and trustedgreat for classrooms Top 10 reasons to love LRFOs: Entertain and educate at the same timeHave appealing, child-centered topicsDevelopmentally appropriate for emerging readersFocused; answering questions instead of using survey approachEmploy engaging picture book quality illustrationsUse simple charts and graphics to improve visual literacy skillsFeature hands-on activities to engage young scientistsMeet national science education standardsWritten/illustrated by award-winning authors/illustrators & vetted by an expert in the fieldOver 130 titles in print, meeting a wide range of kids' scientific interests Books in this series support the Common Core Learning Standards, Next Generation Science Standards, and the Science, Technology, Engineering, and Math (STEM) standards. Let's-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.