The pie charts below show the percentage of five kinds of books sold by a bookseller between 1972 and 2012. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The pie charts below show the percentage of five kinds of books sold by a bookseller between 1972 and 2012. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The pie charts below show the percentage of five kinds of books sold by a bookseller between 1972 and 2012. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The pie charts below show the percentage of five kinds of books sold by a bookseller between 1972 and 2012. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The pie charts below show the percentage of five kinds of books sold by a bookseller between 1972 and 2012. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The pie charts below show the percentage of five kinds of books sold by a bookseller between 1972 and 2012. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.