My Friend is a Vampire 2 Doppelganger

This is the sequel to My Friend is a Vampire, and the 2nd book
Andrea's life now began to change again when she finds Amy on the floor bleeding to death, Amy who saw her attacker is freaking out cause her attacker look just like Andrea. When Amy saw her eyes change, she realize it was Vanessa. Vanessa will cause trouble for Andrea due she and Andrea are doppelgangers.
Mean while Micheal and Sky will learn of two different secret that they father never told them and one of them will turn. Andrea will learn that Jeremy wasn't her biological father but Kane is. Andrea will learn of her other family and Katrina is her older sister from they mother's side. Someone will get turn to a vampire but who ? Andrea's life will be in grave danger due she is the Petrova doppelganger. Sky, Andrew and Andrea will of they true parental
This story and the rest will be the combine of The Vampire Diaries (Mainly)and The Secret Circle and others as well