Dvě vědeckofantastické novely, z nichž první sleduje osudy tajemného kontinentu a druhá líčí příběh hlavy vynikajícího lékaře-vědce, jenž se stal obětí vlastního experimentu.
Alexander Belyaev (Russian: Александр Беляев) was a Soviet Russian writer of science fiction. His works from the 1920s and 1930s made him a highly regarded figure in Russian science fiction, often referred to as "Russia's Jules Verne". Belyaev's best known novels include Professor Dowell's Head, Amphibian Man, Ariel, and The Air Seller.