Introduction : Hunters and Gatherers in the Twenty-First Century / Karen L. Kramer and Brian F. Codding -- Diversify or Replace : What Happens to Wild Foods when Cultigens Are Introduced into Hunter-Gatherer Diets? / Karen L. Kramer and Russell D. Greaves -- Inuit Culture : To Have and Have Not, or, Has Subsistence Become an Anachronism? / George W. Wenzel -- "In the bush the food is free" : The Ju/'Hhoansi of Tsumkwe in the Twenty-First Century / Richard B. Lee -- Twenty-First-Century Hunting and Gathering among Western and Central Kalahari San / Robert K. Hitchcock and Maria Sapignoli -- Why Do So Few Hadza Farm? / Nicholas Blurton Jones -- In Pursuit of the Individual : Recent Economic Opportunities and the Persistence of Traditional Forager-Farmer Relationships in the Southwestern Central African Republic / Karen D. Lupo -- What Now? : Big Game Hunting, Economic Change, and the Social Strategies of Bardi Men / James E. Coxworth -- Alternative Aboriginal Economies : Martu Livelihoods in the Twenty-First Century / Brian F. Codding, Rebecca Bliege Bird, Douglas W. Bird, and David W. Zeanah -- Economic, Social, and Ecological Contexts of Hunting, Sharing, and Fire in the Western Desert of Australia / Rebecca Bliege Bird, Brian F. Codding, and Douglas W. Bird -- Appendix A. Cross-Cultural Demographic and Social Variables for Contemporary Foraging Populations -- Appendix B. Economic Activities of Twenty-First-Century Foraging Populations.