twelve year old molly and her ten year old brother Michael do not like their younger stepsister, heather, when she starts talking to a child's ghost named helen.heather is keep warning Michael and molly that helen is coming for them. when helen comes,as heather says,michael and molly will be sorry for every little thing that the have doen to heather.
ever since their parents got mairred,heather has been making their life awful.
(I was 11 and I still enjoyed this book a lot!)
-ifrah ali white center library