BOOK, BEFORE COLUMBUS, HOW AFRICANS BROUGHT CIVILIZATION TO THE AMERICAS. BOOK SAYS THERE IS EVIDENCE THAT AFRICANS SAILED TO THE AMERICAS BEFORE COLUMBUS AND BEFORE CHRIST. ANCIENT AFRICANS FROM EGYPT AND WEST AFRICA, TRAVELED TO AMERICA BROUGHT CONTRIBUTIONS OF MATHEMATICS, WRITING, SOPHISTICATED CALENDAR,RELIGION AND POLITICS/ BOOK BY GARIKAI CHENGU/THERE ARE OTHER BOOKS ABOUT THIS////OK, SOMETHING TO THINK ABOUT ON COLUMBUS DAY///