Re-Vamped! - Sienna Mercer It was an eventful book in the series.
First of all,now everyone knows that they are long lost twin sisters.
Secondly,Olivia convinced the vampire officials that she is worthy of their trust.
Thirdly,eventually they understood who is their father:Ivy's dad.
I had guessed it,but I can't understand him at all,he is so strange.To solve this mystery,I should keep reading!