NEW YORK - (Xinhua) -- As the new school year heats up, some students have more worries than keeping up with homework, as demand for children's books that address traumatic events such as school shootings has steadily increased, according to the Associated Press. Press) on Tuesday.

According to a report by NBD's BookScan data platform that tracks US retail sales of print books, sales of books to young readers about violence, grief and emotions have increased for nine consecutive years, with nearly six million copies sold in 2021, more than double the amount in 2012.

"With anxiety and depression rates rising among young Americans, educators and caregivers say children's books can play a role in helping them cope," the report noted.