This was my absolute favorite book when I was in elementary school. We had Library Mondays, and I borrowed and reborrowed and kept reborrowing this book every week for a whole school year.
I think that the book was actually pretty good. I liked the way it told the story. When they told you how to do something they would throw in ghost stories as examples. They would do it in every chapter. And when they told you about the different types of ghosts they would throw in different stories involving that type of ghost. There wasnt really anything bad I could say about it.