Session 54 in the proceedings of the XV World Congress of the International Union for Prehistoric and Protohistoric Sciences (UISPP / IUPPS), held in September 2006, in Lisbon. Session 15 is concerned with recent rockshelter research. Contents: 1) Introduction: Variation, Continuity and Change in Rockshelters and Rockshelter Studies: A Global Perspectives (The Coordinators); 2) Rockshelters of the Perigord: 25 Ans Apres (Jean-Philippe Rigaud); 3) Approaches to the Middle Paleolithic Rockshelter and Cave Research in Croatia (Ivor Karavanic, Nikola Vukosavljevic, Rajna oic, and Sanjin Mihelic); 4) Archaeological Research in Rockshelters and Caves in Slovenia (Martina Knavs); 5) 125 Years of the Rockshelter Studies in Russia (Sergey A. Vasil'ev); 6) Desert Caves and Rockshelters in the Great Basin of North America (C. Melvin Aikens); 7) Rockshelter Archaeology in the Middle Tennessee Valley of North America (Boyce Driskell); 8) Rockshelter of the Middle Rocky Mountains: 70 years of research (Marcel Kornfeld); 9) A Century of Basketmaker II Rockshelter Research in the American Southwest: the Archaeology of Transition to Farming Across the Colorado Plateau (Francis E. Smiley and Susan Gregg Smiley); 10) Subterranean Caves, Their Morphology and Archaeological Content: The Mortuary Caves in Coahuila, Mexico (Leticia Gonzalez Arratia); 11) Rockshelter Studies in Southwest Iberia: The Case of Vale Boi (Algarve, Southern Portugal)(Nuno Bicho, Mary C. Stiner, Delminda Moura, and Armando Lucena); 12) Early Tardiglacial Human Uses of el Miron Cave (Cantabria, Spain)(Lawrence Guy Straus and Manuel Gonzalez Morales); 13) Answer to the Problem of the Diachronic and Synchronic Relationship of Arqueopaleontological Elements in Sites with Homogeneous Sediments in the Middle-Pleistocene: The Example of Gran Dolina, Sierra de Atapuerca (Rosana Obregon and Antoni Canals); 14) Stratigraphie et Chronologie an Archeologie Prehistorique (Francoise Delpeche) ; 15) Caves and Rockshelters of the Trieste Karst (Northeastern Italy) in Late Prehistory (Manuela Montagnari Kokelj); 16) The Secret Cave City Hidden in the Cliffs (Lovranska Draga Canyon, Istria, Croatia)(Darko Komo and Martina Blecic); 17) Reflections on the Takarkori Rockshelter (Fezzan, Libyan Sahara)(Stefano Biagetti and Savino di Lernia); 18) Collapsed Rockshelters in Patagonia (Louis Alberto Borrero, R. Barberena, F.

M. Martin, and K. Borrazzo); 19) Chorrillo Malo 2 (Upper Santa Cruz Basin, Patagonia, Argentina): New Data on its Stratigraphic Sequence (Nora Franco, Adriana Mehl, and Clara Otaola); 20) The Paleoindian Occupations at Bonneville Estates Rockshelter, Danger Cave, and Smith Creek Cave (Eastern Great Basin, U.S.A.): Interpreting Their Radiocarbon Chronologies (Ted Goebel, Kelly Graf, Bryan Hocket, and David Rhode); 21) A GIS Perspective on Rockshelter Landscapes in Wyoming (Mary Lou Larson); 22) The Geologic and Geomorphic Context of Rockshelters in the Bighorn Mountains, Wyoming (Judson Finley); 23) Closed Site Investigation in the American Northeast: The View from Meadowcroft (James Adovasio); 24) The Madness Behind the Method: Interdisciplinary Rockshelter Research in the Northeastern United States (Jonathan A. Burns, John S. Wah, and Robert E.

Kruchoski). Papers in English and French.