	mcgraw hill mhp divests south african unit mcgraw hill inc said it has sold its mcgraw hill book co south africa pty ltd subsidiary to a local management group for an undisclosed amount of cash and halted the sale of all products and services to south africa the company said the divestiture follows a resolution of its board in february that cited increased political and social unrest within south africa and the refusal of the south african government to abolish the apartheid system reuter 
