Where do we come from? The answers to this universal question are gradually being revealed at a remarkable location in Northern Spain: Atapuerca. Europe?s largest archaeological site contains the continent?s oldest known human occupation, thousands of bones that shed light on the evolution of our hominid predecessors. These elements are now condensed into an easy to read guidebook that takes readers into the Atapuerca caves, the archaeologists? digs and their scientific laboratories.