American Gods by Neil Gaiman is definitely a must read,specially for those that are into Eastern Europe mythology.The plot revolves around the main character Shadow that when he was released from prison discovered his wife cheated on him with his best friend and that she got into an accident and died. He starts working for Mr.Wednesday and shortly after, he discovered a world of gods living among humans. These gods were brought with people from different cultures and as their gods/things they worship such as alcohol,technology,drugs their powers diminish.
Shadow eventually finds out the men he was working for,Mr.Wednesday is a god himself and is his father.
American Gods describes the ancestry and beliefs of those that have migrated to America and describes how our culture and beliefs have changed.It is the story of America,the story of us.