- Libro electrónicoThe Masters of Science Fiction - Mack Reynolds Collection (Illustrated Edition)Mack Reynolds
- Libro electrónicoThe Greatest Works of Mack Reynolds (Illustrated Edition)Mack Reynolds
- Libro electrónicoThe Greatest Sci-Fi Works (Illustrated Edition)Mack Reynolds
- Libro electrónicoThe Barbarians from a Far PlanetTom Godwin
- Libro electrónicoThe Best Sci-Fi Books of Tom GodwinTom Godwin
- Libro electrónicoThe Collected Works of Mack ReynoldsMack Reynolds