"Fantastyka naukowa amerykańska 1970- tłumaczenia polskie." . . "Fantasy fiction"@en . "Stare jest pie̜kne" . . . . . . . . . "The Practice effect"@en . "The Practice effect" . . . . . . . . . "Fantastic fiction" . "Fantastic fiction"@en . . . "Der Übungseffekt Science-fiction-Roman" . . . . "Vědecko-fantastické romány" . "L'effetto anomalia" . "L'effetto anomalia"@it . . . . . "El efecto práctica"@es . "Physicist Dennis Nuel discovered an alternate world almost like our own with one perplexing difference; he was hailed as a wizard and found himself fighting against a mysterious warlord as he struggled to solve the riddle of this baffling world."@en . "Dennis Nuel is a physicist who, during his research, develops a machine that allows him to explore alternate realities, each of which sport some very strange scientific properties." . "Der Übungseffekt : Roman" . . . "Physicist Dennis Nuel, the first human to probe the alternate universes of the anomal worlds, joins forces with a beautiful woman with strange powers to battle a mysterious warlord."@en . "Der Übungseffekt Roman" . . . . "Practice effect"@it . . . "El Efecto práctica" . . "The practice effect" . "The practice effect"@en . "Praktický efekt" . . . . . . "Electronic books" . "The zievatron, a device created to provide access to parallel worlds needs repairs and only one scientist knows how to repair it."@en . "Fiction"@en . . . "Fiction" . . "Der Übungseffekt : Science Fiction Roman" . . . . "Science fiction." . . "Science Fiction." . "Mondadori," . . . . "LITERARY CRITICISM / American / General" . . "Fiction." . . "FICTION / Science Fiction / General." . .