Book Information
To purchase a signed copy of The Hidden Universe: An Investigation into Non-Human Intelligences, click on ‘Add to basket’ above then ‘Checkout’ in the menu bar at the top. Shipping charges will be calculated for you depending on your Country.
Watkins Publishing. ISBN: 978-1786782809
Audio/eBook editions:
English eBook: The Hidden Universe ISBN 9781786783080
Foreign Language editions:
Greek: Το κρυμμένο σύμπαν – Μια έρευνα πάνω στα μη ανθρώπινα νοήμονα όντα. Kaktos, Athens (2020) ISBN 9789603820048