Ingrid Winterbach wrote several novels as Lettie Viljoen: Klaaglied vir Koos, Erf, Belemmering, Karolina Ferreira, and Landskap met vroue en slang. Karolina Ferreira was awarded the M-Net book prize as well as the Old Mutual literary prize. Winterbach received the W.A. Hofmeyr prize for Buller se plan.
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