Northen Lights Masha Westerveen

I read a book called Northern Lights by Philip Pullman. He wrote the story about a girl who had a father she didn't know of who had a very important job in the North. But one day her father among other children disappeared. Lyra, the main character was determined to find her father as well as her friends.

Lyra was a girl of 12 who attended a College in Oxford called Jordan College. She learned barely anything there except to get into trouble. She was a determined child, and very stubborn too because she didn't know that she was getting herself into trouble and no amount of warning would keep her away. She went to the North where she met armoured bears and witches (and only a few were ready to help her). She tried to find her friend first, Roger who she had as a friend when she was really small. When she found him, she learned about a group known as the Gobblers who stole children to separate them from their daemons. Daemons are the souls of humans, and if separated the person would lose their soul. The Gobblers say they did it because substance from the sky would  kill them in the future if they don't do it.
Lord Asriel, Lyra's father in the mean time wanted to gain power by joining two worlds with each other, so the humans would be allowed to pass through an invisible wall into the new world. Lord Asriel Needed a child to finis his mission, and Lyra, who thought that she was saving Roger, actually brought him to Lord Asriel for him to perform his experiment. In the next book, Lyra will learn what is there in the new world.