They are written to help lull kids off rest and are usually the kind of picture ledgers.
The book series stick to the life and adventures of Meggie Folchart, who is 12 once the story start. Some of them love it so much, they embark upon to create video games, comics, cartoons, and graphic novels. http://kwba.or.kr/bbs/board.php?bo_table=menu0406&wr_id=329196