[en] [Gutenberg 60318] • Star-land: Being Talks With Young People About the Wonders of the Heavens Cambridge University Press
[en] [Gutenberg 37916] • The Star People Kessinger Publishing
[en] [Gutenberg 45112] • Astronomy for Young Folks Forgotten Books
[it] Stelle, Pianeti E Galassie · Viaggio Nella Storia Dell'astronomia Dall'antichità Ad Oggi Editoriale Scienza
[en] A brief history of time · from the big bang to black holes Bantam Books
[en] Red Planet Del Rey
[en] A Briefer History of Time Random House, Inc.
[en] Last stop Eternal City Claudio Elidoro