The Case of the Green Ghost(1999)
(Book 13 in the New Adventures of Mary-Kate and Ashley series)
A novel by Carol Ellis
"Mary-Kate and Ashley -- I dare you to go into the haunted house!" It was Halloween, and our friend Patty was trying to scare us. Ashley and I didn't believe in ghosts, so we took Patty's dare. But when we went into the haunted house -- we saw a ghost with our very own eyes!
There was no time to investigate. We had another mystery on our hands. A case of robbery -- where all the suspects were our friends!
But then the clues in our new case led us right back to the haunted house! Were our two mysteries turning into one?
Genre: Young Adult Fiction
The Case of the Mall Mystery
(New Adventures of Mary-Kate and Ashley)
Judy Katschke and Alice Leonhardt