Band 5+: The chart below illustrates the percentages of sales of one bookseller in 1970, 1992 and 2012. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The pie charts illustrate the proportion of revenue of five different genres of books belonged to one bookseller between 1972,1992 and 2012.

Overall, fictions aimed at the grown-up individuals and children dominated a large percentage of the chart in three different periods. While the two experienced an upward trend, the opposite was true for the others.

The most common books were novels for adult and children and other types of books, with the first two was 20% and the others was 25%, respectively in 1972. Although adult fiction and children fiction increased over time, which were from 20% to 45% and 20% to 25%, other books experienced a downward trend, whose percentage was only a half of itself in 1972, 12%.

The other two uncommon were biography and travel books, which were 20% and 15% in 1972. While the biography book decreased significantly by 12% to 8%, the travel book fluctuated and stopped at 10%, which resulted in replacing the biography book’s position as the fourth most pursued book.