Simak, Clifford. Special Deliverance
Summary: Six people from different timelines join together on a quest.
Published: Ballantine 1982 (0345298977, 0345291409).
Original in: English.
Translation: German by Ulrich Kiesow as Poker um die Zukunft, Knaur 1983 (3426057689).
Translation: Italian by Roberta Rambelli as Il cubo azzurro, Nord 1984 (8842901474).
Translation: Portuguese by Eurico Fonseca as O Mundo do Caos, Livros do Brasil 1984.