Rutendo Chichaya interviews Tsitsi Nomsa Ngwenya, author of ‘Izinyawo Zayizolo,’ ‘The 50 Rand Note,’ ‘Zalabantu Ziyebantwini,’ and ‘Portrait of Emlanjeni,’ at the 2nd Edition of the Harare Open Book Festival. Tune in to a conversation on writing in isiNdebele.