The Unseen World of Poppy Malone is about a girl whose parents are ghost catchers. She doesn't believe in that kind of stuff. She's more of a scientist, but when she has proof that things are real she's the best ghost hunter in the family. That's just what happens in this book. The beginning kept me reading because I wanted to get to the adventure part. When the adventure finally happens it was a bit short for me. I would give it a B -.