Download or read book The Great Human Journey written by Ian Tattersall and published by Wallace and Darwin. This book was released on 2013-10-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In their 22 Million Day Journey our intrepid mice, Wallace and Darwin, trace the biggest genealogy of all and find that all humans are 85% African and only 15% from the rest of the world!