La Science de la Terre. Une introduction et deux conférences.

Milano, Arnoldo Mondadori Editore 1950, cm.15x21, pp.502, brossura Coll.Il Pensiero Critico,XVII.

London, Sotheby & Co., Wednesday, October 16th, 1963. London, Sotheby & Co. - Shenval Press 1963, cm.21x27,5, pp.113,(3), 75 tavv. in bn.nt., legatura ed.cartonata, sopraccop.fig. (piccole mende restaurate artigianalmente alla sopraccoperta.) Coll. The René Fribourg Collection,VI.

London, Titan Books 2000, cm.17x26, pp.232, paperback. The incredible sequel to the bestselling and multi award-winning Kingdom Come! In that story, it was judgement day, and war was waged between superheroes old and new to determine the fate of the entire planet. A fully painted Elseworlds saga, it featured one of the most astounding visions of the DC universe ever presented. Now in this stunning sequel, the impossible has happened...Superman has been killed. Not once, but countless times, murdered over and over again by the being known as Gog. If he isn't stopped, the whole structure of reality will collapse!