Title: One small clue
Description: 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.
Subjects: Mystery and detective stories, Twins, Brothers and sisters, Fiction, Children's fiction, Twins, fiction, Brothers and sisters, fiction
Places: Soviet Union