The monograph, based on broad studies into the Polish diaspora in Sweden, provides a picture of the social factors influencing the maintenance of the heritage language and culture by the second generation of emigrants. The author s main objective, however, is to discover the systemic mechanisms underlying language acquisition by children in a bilingual setting and to investigate the influence of the interference from the dominant language on the acquisition of Polish. A particular attention is devoted to the category of case, which is absent from Swedish. Although it, generally, represents a...