The Gift: Forms and Functions of Exchange in Archaic Societies by Marcel Mauss

This is perhaps the first systematic study of the custom, widespread in primitive societies from ancient Rome to present-day Melanesia, of exchanging gifts. The gift is conceived as a transaction forming part of all human, personal relationships between individuals and groups. These gift exchanges are at the same time moral, economic, juridical, aesthetic, religious, mythological and social phenomena. A classic work.