Subject: agricultural systems
- All Books by Section
- Our Contributors' Book Reports
- Books Referenced in Human Journey Sections:
- Journey of the Human Mind
- Discovering Our Distant Ancestors »
- The Evolution of Language
- Ideas that Shaped Our Modern World »
- Paleolithic Beginnings
- Connecting with the Gods
- Axial Age Thought
- Origins of Christianity
- Origins of Islam
- The Journey of Classical Greek Knowledge to the Western World
- Stories and Storytelling
- Tools and the Development of Contemporary Society »
- A Sustainable Planet
- The Changing World Economy »
- Health and Education in the Modern World »
- Our Mind in the Modern World