"Whatever your viewpoint, this is an excellent guide and introduction to SETI with plenty of insightful anecdotes, glossary, notes, further reading list, and index." Starburst Magazine
"All the various solutions to Fermi s paradox are discussed from the pragmatic to the bizarre in this clear, concise and engagingly written book. It is a perfect stepping off place for anyone wishing to investigate how far we have come in answering one of the biggest questions in science: are we alone in the Universe?" BBC Sky at Night Magazine
"A handy, easy-to-read guide to what E.T. might look like, and how we re going about finding him." Daily Beast
"All the various solutions to Fermi s paradox are discussed from the pragmatic to the bizarre in this clear, concise and engagingly written book. It is a perfect stepping off place for anyone wishing to investigate how far we have come in answering one of the biggest questions in science: are we alone in the Universe?" BBC Sky at Night Magazine
"A handy, easy-to-read guide to what E.T. might look like, and how we re going about finding him." Daily Beast