Liliana Green and The Sorcerer's Locket

(AU, book 1 of 7) Liliana is a first year witch at Hogwarts, what could go wrong? For starters, her whole family and her best friend are all Gryffindor, and when Liliana ends up in Slytherin, things start to fall apart. Her best friend becomes her rival, her family reject her. And on top of that, she owns Merlin's wand! But she has her two best friends, so, what could go wrong?