If questions remain, you also have the opportunity to ask the author on the book's website. This book invites you on a systematic tour through the fascinating world of crystals and their symmetries.
The result of years of work by scholars from all over the world, The UNESCO General History of Africa reflects how the different peoples of Africa view their civilizations and shows the historical relationships between the various parts of ...
Africa’s diamond wars took four million lives. ‘Blood on the Stone’ tells the story of how diamonds came to be so dangerous, describing the great diamond cartel and a dangerous pipeline leading from war-torn Africa to the glittering ...