Dangerous journey /
Hámori, László.
MacMillan, Annabelle.
Mars, Witold Tadeusz.
London Transworld
1971
This translation originally published, New York: Harcourt, Brace and World, 1962; London: Constable, 1963. Originally published as 'Farlig resa'. Stockholm: Svensk Läraretidnings, 1959