Can you help me find this book ?

Question: Can you help me find this book !?

i read abook a while ago and i compeltely forgot the name of it!. it was about this girl who's cousin comes and basicly steals her iddenity , the cousin takes a wax doll and does vodoo
its by the writter of i know you you did last summer!. Www@QuestionHome@Com

Best Answer - Chosen by Asker:

"Summer of Fear" by Lois Duncan
http://www!.amazon!.com/Summer-Fear-Lois-D!.!.!.
"Soon after the arrival of cousin Julia, insidious occurrences begin that convince Rachel she is a witch and must be stopped before her total monstrous plan can be effected!."Www@QuestionHome@Com

Is it "Summer of Fear" by Lois Duncan!?Www@QuestionHome@Com