L'atomo azzurro > Editions
by Robert Moore Williams First published 1958
Published September 30th 1973
by Mondadori
Urania #628, Mass Market Paperback, 127 pages
Published February 24th 1963
by Mondadori
Urania # 302, Mass Market Paperback, 160 pages
Published September 1982
by Mondadori
Classici Urania #66, Paperback, 142 pages



