chapter 1 Geomorphological and palaeoenvironmental research in the South-Central Sahara in review -- chapter 2 COMPARISON OF PROXY-BASED PALAEOENVIRONMENTAL RECONSTRUCTIONS AND HINDCAST MODELLED ANNUAL PRECIPITATION�A REVIEW OF HOLOCENE PALAEOENVIRONMENTAL RESEARCH IN THE CENTRAL SAHARA / chapter 3 Holocene palaeoenvironmental changes in Central Sahara inferred from Seggedim scarp foot depression (NE-Niger) / chapter 4 The desert in the Sahara. Transitions and boundaries / chapter 5 PALAEO-CLIMATIC EVIDENCE OF SOIL DEVELOPMENT ON SAHELIAN ANCIENT DUNES OF DIFFERENT AGE IN NIGER, CHAD AND MAURITANIA / chapter 6 Are there valuable pedological palaeoenvironmental indicators in Northern Chad? / chapter 7 New discovery of rock fulgurites in the Central Sahara / chapter 8 Fluvial geomorphology and palaeohydrology of a small tributary of the Plateau de Mangueni, NE Niger -- chapter 9 Palaeoecology of the Giant Catfish (Arius gigas, Ariidae) in Holocene Saharan and tropical West African waters / chapter 10 NEOLITHIC DOMESTICATION AND PASTORALISM IN CENTRAL SAHARA: THE CATTLE NECROPOLIS OF MANKHOR (TADRART ALG�RIENNE) / chapter 11 The microstratigraphy and micromorphology of a Holocene palaeolake in Southern Tunisia -- chapter 12 Different dimensions of recent vegetation dynamics of North and West Africa / chapter 13 Landmines, drugs and justice. The recent history of two Saharan mountains (Adrar des Iforas/Mali and Air Mts./Niger) / chapter 14 The Sahelian and Saharan dune systems of Niger. A comparison of their granulometric characteristics.