Hidden Agendaby Ron Martinez and Jim Gasperini1988 (1 rating)
Rendezvous With Ramaby Ronald Martinez and Arthur C. Clarke1984 (1 rating)
Aventura en el Siglo XXIVby Ricardo Villalba MartÃnez and Elvira Villalba MartÃnez1997
Alerta Ovniby Ricardo Villalba Martinez1989
Starwashby Ricardo Villalba Martinez1989
Star Trek: The Promethean Prophecyby Ron Martinez and Jim Gasperini1986 (1 rating)