When Halloween arrives and Ashley and Mary-Kate don't have a mystery to solve, they begin to worry, but before they know it they are surrounded by werewolves and vampires and their friends are suddenly disappearing.
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Trenchcoat Twins Case Report...from Mary-Kate & AshleyHow scary is this: It was Halloween, and Ashley and I didn't have a mystery to solve! Yikes! But things were about to get even scarier.Great-grandma Olive took us and our friends to a fun house called Creepy Castle. Before we could say "boo!" we were surrounded by werewolves, vampires--even a suit of armor that walked around all by itself!And then our friends started to disappear, one by one! Soon Ashley and I were the only two left. If we didn't crack this case fast, the next visitors to vanish would be us!
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