Complex sentence: Cottonstar forms part of the post- 2007 independent comics boom in South Africa, in which several independent publishers have begun to produce work that significantly improves the diversity and mainstream presence of comics available in the country.
Split into simpler sentences: Cottonstar forms part of the post- 2007 independent comics boom in South Africa. Over this time, several independent publishers produced work which significantly improved the diversity and mainstream presence of comics available in the country.