In this straightforward, no-nonsense guide, he presents a comprehensive guide to historical alien theories and documented abduction cases. He examines the science, including how aliens function physically and where in the universe they are likely to come from, as well as detailing the fifteen different alien physical types. He explores alien frauds - the methods people use to fake abduction experiences and suggests ways in which the UFO hunter might judge whether or not someone is a genuine abductee. There is also a chapter of useful advice on what to do should you become the victim of an alien abduction.