Do you think we are alone in the Cosmos, or do you think we have neighbours? This is a step-by-step, practical handbook that shows you how life evolved on planet Earth, and how to go about finding other forms of life in other parts of the Universe. Written by science communication expert, Mark Brake - who was a founding member of NASA's Astrobiology Institute - this is a fun, quirky and visually inventive approach to the search for aliens, but it is entirely based on real facts and on-going, international research. Through five easy-to-follow chapter, the reader will find out where to look for an alien habitat, how long aliens may have been in existence, what they might look like, how we might communicate with them, and whether they may have made contact with - or even visited - planet Earth.