the mixed world of sammi and piper

2 girls, named Sammi Potter and Piper Riddle, became best friends and went to Hogwarts together. they had to fight some battles against the evil Voldemort. They also had some problems with relationships. And to top it all off, Piper has to make the biggest choice she has ever had to make, either join her father or join sammi. what will she chose? read to find out