<p><b>''The who, what, where, when and how of human evolution, from one of the world''s experts on the dating of prehistoric fossils'' </b>Steve Brusatte, author of <i>The Rise and Fall of the Dinosaurs</i><br><br><b>''Fascinating and entertaining. If you read one book on human origins, this should be it'' </b>Ian Morris, author of <i>Why the West Rules - For Now</i><br><br><b>50,000 years ago, we were not the only species of human in the world. </b>There were at least four others, including the Neanderthals, <i>Homo floresiensis</i>, <i>Homo luzonesis</i> and the Denisovans. At the forefront of the latter''s ground-breaking discovery was Oxford Professor Tom Higham.<br><br>In <i>The World Before Us,</i> he explains the scientific and technological advancements - in radiocarbon dating and ancient DNA, for example - that allowed each of these discoveries to be made, enabling us to be more accurate in our predictions about not just how long ago these other humans lived, but <i>how</i> th