Extraterrestrial Contact: Field Guide For Humanity

the Age of Contact: Preparing Humanity for AI, Extraterrestrial Intelligence, and Future...

How to Contact A UFO: Field Manual for Cosmic Connection and Extraterrestrial Communication

the Age of Contact (Full Colour Edition): Preparing Humanity for AI, Extraterrestrial...

Making Contact: Jill Tarter and the Search for Extraterrestrial Intelligence