When they discover they are the orphaned children of a Russian stowaway, sixteen-year-old twins, Madge and John, travel to the port city of Odessa to try and trace the one small clue they have of their parents' identity.
The author of a number of children's novels, many of them works of historical fiction set in Russia or Yugoslavia, Mara Kay was (according to the dust-jacket blurb of The Burning Candle) "of Russian extraction, was brought up in Yugoslavia, but has lived in America since 1950."