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Credit "Twilight" -- the teen books featuring sparkling vampires that inspired the blockbuster movie series starring Rob Pattinson and Kristen Stewart -- with spawning a renewed interest in dressing up as creatures of the night. This year more than 3.2 million adults will pop in fangs and a cape -- and run up to strangers hissing "I want to suck your blood." Above is a photo of Jonathan Frid as the vampire Barnabas Collins from the ABC television series "Dark Shadows," which ran from 1966 to 1971.
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