Duplo desafio
From Author Wars - https://authorwars.com/books/duplo-desafio-3131606.html
Overview:
- Title: Duplo desafio
- Author: Robert Silverberg
- Year: 1967
- Type: Short Fiction
Editions/Publications:
- Unknown. Rumo aos mundos do futuro (Unknown, Robert Silverberg, Edameris, 225 pages, Paperback, Collection)