The charts illustrates the book categories that sold by single bookseller over a four-decade, which is reported in between 1972 and 2012.b
Overall, it can be seen that while the sales of adults’ fiction books had increased gradually, there was a significant dropped in the percentage of sales in children’s fiction , biography , travel and others books genre.
Looking first at the sales of adults’ fiction and others books. despite the fact that the sales of adults’ fiction had increased gradually, there was a sharp dropped in the percentage of others’ book sales, by the end of reporting period. To be more precise, its had increased 25% and reached up to 45% in the former and decreased to 12% in the latter.
Regarding 3 other categories, despite a minor increase in the sales of travel genre in 1992, it had fall down to 10% in 2012. Moreover, while the children’s fiction had marginally increased up to 25% in the end of the reporting period, there was a significant decline in sales of biography’s category. To be more specific, it had decreased down to 8% by 2012.