Propavshee sokrovishche
Subtitle: Mir inoĭ; povesti.
Series: Biblioteka prikli͡u︡cheniĭ i nauchnoĭ fantastiki
Publisher: Gos. izd-vo detskoĭ lit-ry
Published: 1961
Place of publication: Moskva
Language: rus
Number of pages: 254
Other titles: Mir inoĭ.