The graph shows the number of sales on three different kind of books between 2002 and 2006.
Overall, during the period adult fiction went down over the course of this period, children’s books and educational books both went up over the time.
However children’s books were the most popular throughout the years with educational books and adult fiction on second and third respectively.
Children’s books climbed gradually from about 32 million dollars in 2002 to approximately 58 million dollars in 2006, although the sales of educational books lower than adult fiction just only 22 million dollar in 2002 climbed gradually to 31 million dollars in 2006.
Adult fiction remained higher than educational books in 2002 just over 46 million dollars and gradually decrease approximately 30 million dollars.