Hutin is most well known in UFO circles for his ancient astronaut book called Alien Races and Fantastic Civilizations (1975) in which he claimed ancient civilizations across the earth were colonial outposts built by extraterrestrials.
Hutin foi moi coñecido nos círculos ufólogos polo seu libro titulado Alien Races and Fantastic Civilizations (1975) no que afirma que antigas civilizacións estiveran na Terra e deixaran observatorios coloniais construídos por extraterrestes.