Title of book [s]

[Petra]

the book is about a brother and sister living in the woods alone. A family comes to live in a house near them and they become friends with the family only to realize they are ghosts.

[Ann aka Iftcan]

Petra, I've moved this down to Unsolved for you, since you will get more viewers down there.

Now, for a few questions.

Is this an adult book or a YA or children's book?
Is it horror?
About when did you read it, and did you feel it was old or new at that time?

[Antonomasia]

It's a duplicate thread with this solved one: https://www.goodreads.com/topic/show/...

[Kate]

The Doll in the Garden/The Old Willis Place for the book link.