Arielle, Wait Till Helen Comes

Wait Till Helen Comes by Mary Downing Hahn is about a girl named Molly and her brother Michael, their mom got remarried with a man named David who has a seven year old daughter named Heather. They move to Holwell, Maryland, in an old church. Heather is a selfish girl who's mother died in a fire when she was three. She wants her dad all to herself, Molly and Michael try's to be nice to Heather but she makes up excuses so Michael and Molly get in trouble. Molly, Heather, and Micheal find out that the church has a grave yard, when Molly and Heather go on a walk they find a grave stone with the initials H.E.H. Heather likes to play by that grave and the pond behind it. Heather finds Helen, a ghost and they become friends. Heather hates Molly, Michael, and her step-mother so Helen ruins all of their things. Helen wants Heather to go in deep cold water and...... Read the book to find out what happens.
I recommend this book because it was a thriller and it was scary, it kept me interested through out the whole book. The book made me dislike some of the characters and made me feel how the characters felt.