The graph illustrates the tendency of reader to read categories of book at A&Z library in 2009.
Overall, sefl-help books were the most common in both aged groups. In addition, readers, who were 18 – 25 years old, prefered to read novels, self-help and science fiction books more than that of 26 – 34 years old, the opposite was true for biographies.
Regarding group 18 – 25 years old, the percentage of self-help bools was 58%, which was higher than total of remainders. Meanwhile, science fiction and biographies may be the types which were chose the lowest, at 9% and 10%, respectively. In addition, novels accounted for nearly one – fourth of the groups, at 23%, which was double higher than biographies.
On the other hand, similarly group 18 – 25 years old, the percentages of readers who prefferred to read science fiction and self – help books were the lowest and highest, at 7% and 42%, respectively. Meanwhile, biographies type was three times higher than that of 18-25 years old, at 31%. Finally, the proportion of novels in this group accounted for 20%, which equal the half of self- help books.