 Kurasikirwa nenzvimbo yake yezvamatongerwe enyika, pamwe chete nokugadzwa kwehurumende yeMarxist muChile, zvakaita kuti Serrano atangezve kufarira chiNazi. Akavamba kurava mabhuku anoverengeka achangobva kubudiswa ayo aiti anozivisa batano pakati pechiNazi nemashiripiti. Muna 1973, bhuku rake rinonzi ElElla: Book of Magic Love rakabudiswa. Pashure pokunge Allende abviswa mukubvuta hurumende kwaSeptember 1973uye hurumende yechiuto yokurudyi inotungamirirwa naAugusto Pinochet yakatora simba, Serrano akadzokera kuChile. Kunyange zvakadaro akawana kuti hurumende yaPinochet yakanga isingafariri pfungwa dzake dzeNeo-Nazi neEsoteric Hitlerist. Muna 1980, bhuku rake rinonzi Nos: A Book of the Resurrection rakabudiswa, rudzi rwemashoko ezvinyorwa zvoupenyu hwomunhu akafuridzirwa neJungian psychology. Akagadzirawo mabhuku matatu akazozivikanwa seHitler Trilogy yake: El Cordón Dorado: Hitlerismo Esotérico 1978, Adolf Hitler, el Ultimo Avatãra 1984, uye Manú: Por el hombre que vendra 1991. 