The pie charts show the percentage of the books which sold in 1972, 1992, and 2012 that categories are Adult fiction, Children’s fiction, Biography, Travel and Others.
First of all, Adult fiction is most interested book all times from 1972 to 2012. The percentage of this is increased from twenty percent in 1972 to fourty-five percent in 2012. The portion of Biography books is twenty percent which was the same as adult fiction and children’s fiction in 1972. However, the percentage of biography is decreased to only eight percent in 2012.
The bookseller sold travel books smaller than adult fiction in 1972 which was fifteen percent. It is increased to eighteen percent in 1992; however, the book related travel sold only ten percent in 2012.
Overall, Adult fiction book is bestseller and children’s fiction are second between 1972 and 2012. On the other hand, just small portion of people who read books have interested in biography in 2012.