Mackinaw City Mummies (Michigan Chillers)
"They're excited at first. But then, strange things begin to happen all around them. When Robyn suddenly vanishes, Josh discovers that she has been taken to a hidden world-- a world of mystical secrets and horrifying creatures. And what's more, the terrible ruler of this unearthly kingdom is going to turn Robyn into a mummy!"--P. [4] of cover.