The bar graph demonstrates the annual total sales for books with respect to their class for three year time lapse, between 2013 and 2015.
Overall, the bar chart illustrates the total number of books sold between the three year time period with regard to their respective genre. Fantasy and romance book accounted for the highest revenue in total, and romance, mystery, thriller, and science fiction books made their highest market value according to number of sales in the year 2013.
From the bar graph we can observe that the fantasy and romance books remained highest for overall sum value obtained for three years, the years 2014 and 2015 represented higher figures for fantasy books, At the other side, year the mounts accounted for romance books remained nearly equal for Romance books for year 2013 and 2015 (with 2013 little bit higher, closely ~100), Additionally, year 2014 remained lowest for two books types.
On the other hand, the remaining four groups of books preserve different market behaviours. The most eye catching trend is the dominant selling number represented by the year 2013, Followingly year 2014 depicts same kind of figure on the graph, However the total trade accounted for a close figure in science fiction when comparing 2013 and 2014.
