Bilhões e bilhões

From Author Wars - https://authorwars.com/books/bilhoes-e-bilhoes-2400151.html

Overview:

Title: Bilhões e bilhões
Author: Carl Sagan
Year: 1998
Type: Non-fiction

Editions/Publications:

Unknown. Bilhões e bilhões (Unknown, Carl Sagan, Companhia das Letras, ISBN-10: 857164764X, 264 pages, Trade Paperback, Non-fiction)
Unknown. Bilhões e bilhões (Unknown, Carl Sagan, Companhia de Bolso, ISBN-10: 9788535911947, 288 pages, Trade Paperback, Non-fiction)