- On Wings of Intent – a biography of Silo – by Trudi Lee Richards. Pdf or kindle version available upon request – contact wingedlion@gmail.com. (Also available in print in English and Spanish from Ediciones Leon Alado at https://www.casadellibro.com/libro-on-wings-of-intent-a-biography-of-silo/9788416747337/5315540.)
- Soft Brushes with Death – a Jorge Espinet Primer – by Trudi Lee Richards. DOWNLOAD PDF.
- Experiences on the Threshold with Silo’s Message – by Trudi Lee Richards, Catalina Portel, and Hugo Novotny. Pdf – Click here to download.
- Experiencias en el umbral con El Mensaje de Silo – Trudi Lee Richards, Catalina Portel, Hugo Novotny – Pdf available upon request – contact wingedlion@gmail.com.
- Silo and the Game of Spheres – Click to download…
