Background information is belong for the the information for the setting
She was 16. She originally started to write this book because on of her friends had gotten beat up so she just wanted to rant, another fun fact: since she was so young and also a girl, she didnt want people to not buy her book becuaseof that so she decided to stay anomus just like j.k rowling
These lines taken from "The Snow Man" might be interpreted in these ways. One possibility is to have an objective view of the nature of a winter landscape without attributing any personal emotions to it. The other interpretarion is the assiciation of winter with misery, sadness and loneliness, the feelings that are related to the picture of the wind blowing with just a few leaves.