Os guardiães do tempo

From Author Wars - https://authorwars.com/books/os-guardiaes-do-tempo-2901528.html

Overview:

Title: Os guardiães do tempo
Author: Poul Anderson
Year: 1984
Type: Collections

Editions/Publications:

Unknown. Os guardiães do tempo (Unknown, Poul Anderson, Francisco Alves, 230 pages, Trade Paperback, Collection)