Title: Tyrant of the Hollow Worlds
Description: 525 pages, 4 unnumbered pages of plates : 20 cm
Subjects: Life on other planets -- Fiction, Imaginary wars and battles -- Fiction, Interplanetary voyages -- Fiction, Vie extraterrestre -- Romans, nouvelles, etc, Guerres et batailles imaginaires -- Romans, nouvelles, etc, Voyages interplanétaires -- Romans, nouvelles, etc, Imaginary wars and battles, Interplanetary voyages, Life on other planets