Opsaal. It's an Afrikaans word that means 'saddle up', but it was also a place: a farm, to be exact - a lonesome speck of nothing on the edge of a dirt track nowhere near a main road in the South African wilderness, somewhere in the Adelaide district. It was 1939 and the Great Depression made a harsh life for many. Peter van der Westhuizen, a husband and father of seven who spent most of his days on the road as a truck driver, struggled to...