Acknowledgements -- Foreword,- General introduction -- Part 1. Defining and understanding family farming systems -- 1. Family farming: at the heart of the history of world agriculture -- 2. Defining, characterizing and measuring family farming models -- 3. Families, work and the farm -- 4. Family farming and other forms of agriculture -- Part 2. Helping to feed the world and territories to live -- 5. Contributing to ecological and social systems -- 6. Contributing to territorial dynamics -- 7. Contributing to production and international markets -- 8. Contributing to innovation, policies and local democracy -- Part 3. Meeting the challenges of the future -- 9. Challenges of poverty, employment and food security -- 10. Energy challenges: threats or opportunities? -- 11. Sanitary challenges increasingly relevant on a global scale -- 12. Challenges of managing and using natural resources -- Part 4. Research and the challenge of family farming -- 13. Co-constructing innovation: action-research in partnership -- 14. Innovations in management advice to family farms -- 15. Support for the prevention of sanitary risks -- 16. Agricultural biodiversity and rural systems of seed production -- 17. Lessons learnt and perspectives for ecological intensification -- Conclusion -- References -- List of authors.