Publisher's Synopsis
Stefanie Reynolds and the gang are back and ready to solve another mystery! Halloween is coming and new teenagers Stefanie and her friend Ernie are too old now to do the usual dressing in costumes and Trick or Treating. While talking about what they might be able to do, Ernie tells Stefanie a story about the Old Witch who lives in the Halloween House and holds seances! Stefanie is MORE than interested! Ernie's grandpa, affectionately known as Gramps, who guided them thru their last adventure, grew up around the same time as the old lady. He tells the kids what he knows about the Agatha Moore, who lives in the Halloween House...but even Gramps doesn't know the whole story! As Stefanie and Ernie discover more and more about Agatha and the secrets of the Halloween House, Stefanie becomes almost obsessed to get to the bottom of it all...leading herself and Ernie into mischief along the way...and once more connecting with the world of ghosts! Still, Stefanie won't stop until she unravels the mystery of The Girl in the Halloween House!
