The Girl in the Blue Coat by Monica Hesse

This book is about a girl named Hanneke Bakker. She lived in a time when Germany invaded her country. Hanneke wanted to sell black market goods to people that wanted to buy them. One day Hanneke was going to sell goods to Mrs. Janssen, but Mrs. Janssen did not want to buy anything. Mrs. Janssen wanted Hanneke to find a Jewish girl was missing. So, Hanneke went looking for the Jewish girl. Then after searching for a long time Hanneke finally found out about the Jewish girl.