Power of the Sword-------pan macmillan

They were half-brothers, raised in different worlds in the same country, and destined to be lifelong enemies. Manfred De La Ray and Shasa Courtney, sons of Centaine de Thiry, were blood enemies from their very first boyhood encounter. Caught up in the tumult of South Africa's history through two decades, they found themselves adversaries in an age-old war of savagery to seize the sword of power in their land.

This astonishing story sweeps from the teeming goldfields of the highland to the secret citadels of Afrikaaner power, from the clamouring stadiums of Hitler's Berlin Olympics to the raging war over Abyssinia."