Part One – Introduction. 1. Geomorphology of Desert Environments. 2. Global deserts: a geomorphic comparison.- Part Two – Weathering. 3. Weathering Processes and Forms. 4. Aridic Soils, patterned ground and desert pavements. 5. Duricrusts. 6. Rock varnish in deserts.- Part Three – Hillslopes. 7. Rock slopes. 8. Rock-mantled slopes. 9. Badlands. 10. The role of vegetation.- Part Four – Rivers. 11. Catchment and channel hydrology. 12. Channel processes and forms.- Part Five – Piedmonts. 13. Piedmonts in arid environments. 14. Alluvial fan processes and forms.- Part Six – Lake Basins. 15. Semi-arid lake basins: hydrographic patterns. 16. Semi-arid lake basins: geomorphic patterns.- Part Seven – Aeolian Surfaces. 17. Aeolian sand transport. 18. Dune morphology and dynamics. 19. The transport and deposition of dust. 20. Landforms of aeolian erosion.- Part Eight – Climatic change. 21. Rock varnish as evidence of climatic change. 22. Hillslopes as evidence of climatic change. 23. River landforms and sediments: evidence of climatic change. 24. The role of climatic change in alluvial fan development. 25. Geomorphic evidence of climatic change from desert-basin palaeolakes. 26. Palaeoclimatic interpretations from desert dunes and sediments. 27. Palaeoclimatic interpretations from archaeological sites. 28. Cenozoic climatic change in deserts: a synthesis.