1. Concepts of soils Richard W. Arnold
2. Pedogenic processes and pathways of horizon differentiation Stanley W. Buol
3. Soil phases: the inorganic solid phase G. Jock Churchman
4. Soil phases: the organic solid phase Claire Chenu
5. Soil phases: the liquid phase Randy A. Dahlgren
6. Soil phases: the gaseous phase Andrey V. Smagin
7. Soil phases: the living phase Oliver Dilly, Eva-Maria Pfeiffer and Ulrich Irmler
8. The State Factor theory of soil formation Ronald Amundson
9. Factors of soil formation: parent material M. Jeff Wilson
10. Factors of soil formation: climate as exemplified by volcanic ash soils Sadao Shoji, Masami Nanzyo and Tadashi Takahashi
11. Factors of soil formation: topography Robert C. Graham
12. Factors of soil formation: biota Francoise Courchesne
13. Factors of soil formation: time Ewart A. FitzPatrick
14. Soil formation on Earth and beyond: the role of additional soil forming factors Giacomo Certini and Riccardo Scalenghe
15. Soil functions and land use Johan Bouma
16. Physical degradation of soils Michael J. Singer
17. Chemical degradation of soils Peter Blaser
18. The future of soil research Anthony C. Edwards.